646507680

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{41}}^1$

素因数の和:117

約数の個数: 576

約数和(自身を含む): 2709842688

約数和(自身を除く): 2063335008

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 19, 20, 21, 24, 26, 28, 30, 32, 35, 38, 39, 40, 41, 42, 48, 52, 56, 57, 60, 65, 70, 76, 78, 80, 82, 84, 91, 95, 96, 104, 105, 112, 114, 120, 123, 130, 133, 140, 152, 156, 160, 164, 168, 182, 190, 195, 205, 208, 210, 224, 228, 240, 246, 247, 260, 266, 273, 280, 285, 287, 304, 312, 328, 336, 361, 364, 380, 390, 399, 410, 416, 420, 455, 456, 480, 492, 494, 520, 532, 533, 546, 560, 570, 574, 608, 615, 624, 656, 665, 672, 722, 728, 741, 760, 779, 780, 798, 820, 840, 861, 910, 912, 984, 988, 1040, 1064, 1066, 1083, 1092, 1120, 1140, 1148, 1230, 1235, 1248, 1312, 1330, 1365, 1435, 1444, 1456, 1482, 1520, 1558, 1560, 1596, 1599, 1640, 1680, 1722, 1729, 1805, 1820, 1824, 1968, 1976, 1995, 2080, 2128, 2132, 2166, 2184, 2280, 2296, 2337, 2460, 2470, 2527, 2660, 2665, 2730, 2870, 2888, 2912, 2964, 3040, 3116, 3120, 3192, 3198, 3280, 3360, 3444, 3458, 3610, 3640, 3705, 3731, 3895, 3936, 3952, 3990, 4256, 4264, 4305, 4332, 4368, 4560, 4592, 4674, 4693, 4920, 4940, 5054, 5187, 5320, 5330, 5415, 5453, 5460, 5740, 5776, 5928, 6232, 6240, 6384, 6396, 6560, 6888, 6916, 7220, 7280, 7410, 7462, 7581, 7790, 7904, 7980, 7995, 8528, 8610, 8645, 8664, 8736, 9120, 9184, 9348, 9386, 9840, 9880, 10108, 10127, 10374, 10640, 10660, 10830, 10906, 10920, 11193, 11480, 11552, 11685, 11856, 12464, 12635, 12768, 12792, 13776, 13832, 14079, 14440, 14560, 14801, 14820, 14924, 15162, 15580, 15960, 15990, 16359, 17056, 17220, 17290, 17328, 18655, 18696, 18772, 19680, 19760, 20216, 20254, 20748, 21280, 21320, 21660, 21812, 21840, 22386, 22960, 23370, 23465, 23712, 24928, 25270, 25584, 25935, 27265, 27552, 27664, 28158, 28880, 29602, 29640, 29848, 30324, 30381, 31160, 31920, 31980, 32718, 32851, 34440, 34580, 34656, 37310, 37392, 37544, 37905, 39520, 40432, 40508, 41496, 42640, 43320, 43624, 43680, 44403, 44772, 45920, 46740, 46930, 50540, 50635, 51168, 51870, 54530, 55328, 55965, 56316, 57760, 59204, 59280, 59696, 60648, 60762, 62320, 63840, 63960, 65436, 65702, 68880, 69160, 70395, 70889, 74005, 74620, 74784, 75088, 75810, 80864, 81016, 81795, 82992, 85280, 86640, 87248, 88806, 89544, 93480, 93860, 98553, 101080, 101270, 103607, 103740, 109060, 111930, 112632, 118408, 118560, 119392, 121296, 121524, 124640, 127920, 130872, 131404, 137760, 138320, 140790, 141778, 148010, 149240, 150176, 151620, 151905, 162032, 163590, 164255, 165984, 173280, 174496, 177612, 179088, 186960, 187720, 192413, 197106, 202160, 202540, 207214, 207480, 212667, 218120, 222015, 223860, 225264, 236816, 242592, 243048, 255840, 261744, 262808, 276640, 281580, 283556, 296020, 298480, 303240, 303810, 310821, 324064, 327180, 328510, 354445, 355224, 358176, 373920, 375440, 384826, 394212, 404320, 405080, 414428, 414960, 425334, 436240, 444030, 447720, 450528, 473632, 486096, 492765, 518035, 523488, 525616, 563160, 567112, 577239, 592040, 596960, 606480, 607620, 621642, 654360, 657020, 708890, 710448, 750880, 769652, 788424, 810160, 828856, 829920, 850668, 872480, 888060, 895440, 962065, 972192, 985530, 1036070, 1051232, 1063335, 1126320, 1134224, 1154478, 1184080, 1212960, 1215240, 1243284, 1308720, 1314040, 1346891, 1417780, 1420896, 1539304, 1554105, 1576848, 1620320, 1657712, 1701336, 1776120, 1790880, 1924130, 1971060, 2072140, 2126670, 2252640, 2268448, 2308956, 2368160, 2430480, 2486568, 2617440, 2628080, 2693782, 2835560, 2886195, 3078608, 3108210, 3153696, 3315424, 3402672, 3552240, 3848260, 3942120, 4040673, 4144280, 4253340, 4617912, 4860960, 4973136, 5256160, 5387564, 5671120, 5772390, 6157216, 6216420, 6734455, 6805344, 7104480, 7696520, 7884240, 8081346, 8288560, 8506680, 9235824, 9946272, 10775128, 11342240, 11544780, 12432840, 13468910, 15393040, 15768480, 16162692, 16577120, 17013360, 18471648, 20203365, 21550256, 23089560, 24865680, 26937820, 30786080, 32325384, 34026720, 40406730, 43100512, 46179120, 49731360, 53875640, 64650768, 80813460, 92358240, 107751280, 129301536, 161626920, 215502560, 323253840, 646507680]

約数ペア:

[(1, 646507680), (2, 323253840), (3, 215502560), (4, 161626920), (5, 129301536), (6, 107751280), (7, 92358240), (8, 80813460), (10, 64650768), (12, 53875640), (13, 49731360), (14, 46179120), (15, 43100512), (16, 40406730), (19, 34026720), (20, 32325384), (21, 30786080), (24, 26937820), (26, 24865680), (28, 23089560), (30, 21550256), (32, 20203365), (35, 18471648), (38, 17013360), (39, 16577120), (40, 16162692), (41, 15768480), (42, 15393040), (48, 13468910), (52, 12432840), (56, 11544780), (57, 11342240), (60, 10775128), (65, 9946272), (70, 9235824), (76, 8506680), (78, 8288560), (80, 8081346), (82, 7884240), (84, 7696520), (91, 7104480), (95, 6805344), (96, 6734455), (104, 6216420), (105, 6157216), (112, 5772390), (114, 5671120), (120, 5387564), (123, 5256160), (130, 4973136), (133, 4860960), (140, 4617912), (152, 4253340), (156, 4144280), (160, 4040673), (164, 3942120), (168, 3848260), (182, 3552240), (190, 3402672), (195, 3315424), (205, 3153696), (208, 3108210), (210, 3078608), (224, 2886195), (228, 2835560), (240, 2693782), (246, 2628080), (247, 2617440), (260, 2486568), (266, 2430480), (273, 2368160), (280, 2308956), (285, 2268448), (287, 2252640), (304, 2126670), (312, 2072140), (328, 1971060), (336, 1924130), (361, 1790880), (364, 1776120), (380, 1701336), (390, 1657712), (399, 1620320), (410, 1576848), (416, 1554105), (420, 1539304), (455, 1420896), (456, 1417780), (480, 1346891), (492, 1314040), (494, 1308720), (520, 1243284), (532, 1215240), (533, 1212960), (546, 1184080), (560, 1154478), (570, 1134224), (574, 1126320), (608, 1063335), (615, 1051232), (624, 1036070), (656, 985530), (665, 972192), (672, 962065), (722, 895440), (728, 888060), (741, 872480), (760, 850668), (779, 829920), (780, 828856), (798, 810160), (820, 788424), (840, 769652), (861, 750880), (910, 710448), (912, 708890), (984, 657020), (988, 654360), (1040, 621642), (1064, 607620), (1066, 606480), (1083, 596960), (1092, 592040), (1120, 577239), (1140, 567112), (1148, 563160), (1230, 525616), (1235, 523488), (1248, 518035), (1312, 492765), (1330, 486096), (1365, 473632), (1435, 450528), (1444, 447720), (1456, 444030), (1482, 436240), (1520, 425334), (1558, 414960), (1560, 414428), (1596, 405080), (1599, 404320), (1640, 394212), (1680, 384826), (1722, 375440), (1729, 373920), (1805, 358176), (1820, 355224), (1824, 354445), (1968, 328510), (1976, 327180), (1995, 324064), (2080, 310821), (2128, 303810), (2132, 303240), (2166, 298480), (2184, 296020), (2280, 283556), (2296, 281580), (2337, 276640), (2460, 262808), (2470, 261744), (2527, 255840), (2660, 243048), (2665, 242592), (2730, 236816), (2870, 225264), (2888, 223860), (2912, 222015), (2964, 218120), (3040, 212667), (3116, 207480), (3120, 207214), (3192, 202540), (3198, 202160), (3280, 197106), (3360, 192413), (3444, 187720), (3458, 186960), (3610, 179088), (3640, 177612), (3705, 174496), (3731, 173280), (3895, 165984), (3936, 164255), (3952, 163590), (3990, 162032), (4256, 151905), (4264, 151620), (4305, 150176), (4332, 149240), (4368, 148010), (4560, 141778), (4592, 140790), (4674, 138320), (4693, 137760), (4920, 131404), (4940, 130872), (5054, 127920), (5187, 124640), (5320, 121524), (5330, 121296), (5415, 119392), (5453, 118560), (5460, 118408), (5740, 112632), (5776, 111930), (5928, 109060), (6232, 103740), (6240, 103607), (6384, 101270), (6396, 101080), (6560, 98553), (6888, 93860), (6916, 93480), (7220, 89544), (7280, 88806), (7410, 87248), (7462, 86640), (7581, 85280), (7790, 82992), (7904, 81795), (7980, 81016), (7995, 80864), (8528, 75810), (8610, 75088), (8645, 74784), (8664, 74620), (8736, 74005), (9120, 70889), (9184, 70395), (9348, 69160), (9386, 68880), (9840, 65702), (9880, 65436), (10108, 63960), (10127, 63840), (10374, 62320), (10640, 60762), (10660, 60648), (10830, 59696), (10906, 59280), (10920, 59204), (11193, 57760), (11480, 56316), (11552, 55965), (11685, 55328), (11856, 54530), (12464, 51870), (12635, 51168), (12768, 50635), (12792, 50540), (13776, 46930), (13832, 46740), (14079, 45920), (14440, 44772), (14560, 44403), (14801, 43680), (14820, 43624), (14924, 43320), (15162, 42640), (15580, 41496), (15960, 40508), (15990, 40432), (16359, 39520), (17056, 37905), (17220, 37544), (17290, 37392), (17328, 37310), (18655, 34656), (18696, 34580), (18772, 34440), (19680, 32851), (19760, 32718), (20216, 31980), (20254, 31920), (20748, 31160), (21280, 30381), (21320, 30324), (21660, 29848), (21812, 29640), (21840, 29602), (22386, 28880), (22960, 28158), (23370, 27664), (23465, 27552), (23712, 27265), (24928, 25935), (25270, 25584)]