74900280

素因数分解:

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

素因数の和:91

約数の個数: 256

約数和(自身を含む): 291916800

約数和(自身を除く): 217016520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 19, 20, 21, 24, 26, 28, 30, 35, 38, 39, 40, 42, 52, 56, 57, 60, 65, 70, 76, 78, 84, 91, 95, 104, 105, 114, 120, 130, 133, 140, 152, 156, 168, 182, 190, 195, 210, 228, 247, 260, 266, 273, 280, 285, 312, 361, 364, 380, 390, 399, 420, 455, 456, 494, 520, 532, 546, 570, 665, 722, 728, 741, 760, 780, 798, 840, 910, 988, 1064, 1083, 1092, 1140, 1235, 1330, 1365, 1444, 1482, 1560, 1596, 1729, 1805, 1820, 1976, 1995, 2166, 2184, 2280, 2470, 2527, 2660, 2730, 2888, 2964, 3192, 3458, 3610, 3640, 3705, 3990, 4332, 4693, 4940, 5054, 5187, 5320, 5415, 5460, 5928, 6859, 6916, 7220, 7410, 7581, 7980, 8645, 8664, 9386, 9880, 10108, 10374, 10830, 10920, 12635, 13718, 13832, 14079, 14440, 14820, 15162, 15960, 17290, 18772, 20216, 20577, 20748, 21660, 23465, 25270, 25935, 27436, 28158, 29640, 30324, 32851, 34295, 34580, 37544, 37905, 41154, 41496, 43320, 46930, 48013, 50540, 51870, 54872, 56316, 60648, 65702, 68590, 69160, 70395, 75810, 82308, 89167, 93860, 96026, 98553, 101080, 102885, 103740, 112632, 131404, 137180, 140790, 144039, 151620, 164255, 164616, 178334, 187720, 192052, 197106, 205770, 207480, 240065, 262808, 267501, 274360, 281580, 288078, 303240, 328510, 356668, 384104, 394212, 411540, 445835, 480130, 492765, 535002, 563160, 576156, 624169, 657020, 713336, 720195, 788424, 823080, 891670, 960260, 985530, 1070004, 1152312, 1248338, 1314040, 1337505, 1440390, 1783340, 1872507, 1920520, 1971060, 2140008, 2496676, 2675010, 2880780, 3120845, 3566680, 3745014, 3942120, 4993352, 5350020, 5761560, 6241690, 7490028, 9362535, 10700040, 12483380, 14980056, 18725070, 24966760, 37450140, 74900280]

約数ペア:

[(1, 74900280), (2, 37450140), (3, 24966760), (4, 18725070), (5, 14980056), (6, 12483380), (7, 10700040), (8, 9362535), (10, 7490028), (12, 6241690), (13, 5761560), (14, 5350020), (15, 4993352), (19, 3942120), (20, 3745014), (21, 3566680), (24, 3120845), (26, 2880780), (28, 2675010), (30, 2496676), (35, 2140008), (38, 1971060), (39, 1920520), (40, 1872507), (42, 1783340), (52, 1440390), (56, 1337505), (57, 1314040), (60, 1248338), (65, 1152312), (70, 1070004), (76, 985530), (78, 960260), (84, 891670), (91, 823080), (95, 788424), (104, 720195), (105, 713336), (114, 657020), (120, 624169), (130, 576156), (133, 563160), (140, 535002), (152, 492765), (156, 480130), (168, 445835), (182, 411540), (190, 394212), (195, 384104), (210, 356668), (228, 328510), (247, 303240), (260, 288078), (266, 281580), (273, 274360), (280, 267501), (285, 262808), (312, 240065), (361, 207480), (364, 205770), (380, 197106), (390, 192052), (399, 187720), (420, 178334), (455, 164616), (456, 164255), (494, 151620), (520, 144039), (532, 140790), (546, 137180), (570, 131404), (665, 112632), (722, 103740), (728, 102885), (741, 101080), (760, 98553), (780, 96026), (798, 93860), (840, 89167), (910, 82308), (988, 75810), (1064, 70395), (1083, 69160), (1092, 68590), (1140, 65702), (1235, 60648), (1330, 56316), (1365, 54872), (1444, 51870), (1482, 50540), (1560, 48013), (1596, 46930), (1729, 43320), (1805, 41496), (1820, 41154), (1976, 37905), (1995, 37544), (2166, 34580), (2184, 34295), (2280, 32851), (2470, 30324), (2527, 29640), (2660, 28158), (2730, 27436), (2888, 25935), (2964, 25270), (3192, 23465), (3458, 21660), (3610, 20748), (3640, 20577), (3705, 20216), (3990, 18772), (4332, 17290), (4693, 15960), (4940, 15162), (5054, 14820), (5187, 14440), (5320, 14079), (5415, 13832), (5460, 13718), (5928, 12635), (6859, 10920), (6916, 10830), (7220, 10374), (7410, 10108), (7581, 9880), (7980, 9386), (8645, 8664)]