31990140

素因数分解:

$2^2\times 3^4\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:79

約数の個数: 360

約数和(自身を含む): 129773952

約数和(自身を除く): 97783812

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 27, 28, 30, 31, 35, 36, 39, 42, 45, 49, 52, 54, 60, 62, 63, 65, 70, 78, 81, 84, 90, 91, 93, 98, 105, 108, 117, 124, 126, 130, 135, 140, 147, 155, 156, 162, 180, 182, 186, 189, 195, 196, 210, 217, 234, 245, 252, 260, 270, 273, 279, 294, 310, 315, 324, 351, 364, 372, 378, 390, 403, 405, 420, 434, 441, 455, 465, 468, 490, 540, 546, 558, 567, 585, 588, 620, 630, 637, 651, 702, 735, 756, 780, 806, 810, 819, 837, 868, 882, 910, 930, 945, 980, 1053, 1085, 1092, 1116, 1134, 1170, 1209, 1260, 1274, 1302, 1323, 1365, 1395, 1404, 1470, 1519, 1612, 1620, 1638, 1674, 1755, 1764, 1820, 1860, 1890, 1911, 1953, 2015, 2106, 2170, 2205, 2268, 2340, 2418, 2457, 2511, 2548, 2604, 2646, 2730, 2790, 2821, 2835, 2940, 3038, 3185, 3255, 3276, 3348, 3510, 3627, 3780, 3822, 3906, 3969, 4030, 4095, 4185, 4212, 4340, 4410, 4557, 4836, 4914, 5022, 5265, 5292, 5460, 5580, 5642, 5670, 5733, 5859, 6045, 6076, 6370, 6510, 6615, 7020, 7254, 7371, 7595, 7644, 7812, 7938, 8060, 8190, 8370, 8463, 8820, 9114, 9555, 9765, 9828, 10044, 10530, 10881, 11284, 11340, 11466, 11718, 12090, 12285, 12555, 12740, 13020, 13230, 13671, 14105, 14508, 14742, 15190, 15876, 16380, 16740, 16926, 17199, 17577, 18135, 18228, 19110, 19530, 19747, 19845, 21060, 21762, 22785, 22932, 23436, 24180, 24570, 25110, 25389, 26460, 27342, 28210, 28665, 29295, 29484, 30380, 32643, 33852, 34398, 35154, 36270, 36855, 38220, 39060, 39494, 39690, 41013, 42315, 43524, 45570, 49140, 50220, 50778, 51597, 54405, 54684, 56420, 57330, 58590, 59241, 65286, 68355, 68796, 70308, 72540, 73710, 76167, 78988, 79380, 82026, 84630, 85995, 87885, 91140, 98735, 101556, 103194, 108810, 114660, 117180, 118482, 123039, 126945, 130572, 136710, 147420, 152334, 163215, 164052, 169260, 171990, 175770, 177723, 197470, 205065, 206388, 217620, 228501, 236964, 246078, 253890, 257985, 273420, 296205, 304668, 326430, 343980, 351540, 355446, 380835, 394940, 410130, 457002, 492156, 507780, 515970, 533169, 592410, 615195, 652860, 710892, 761670, 820260, 888615, 914004, 1031940, 1066338, 1142505, 1184820, 1230390, 1523340, 1599507, 1777230, 2132676, 2285010, 2460780, 2665845, 3199014, 3554460, 4570020, 5331690, 6398028, 7997535, 10663380, 15995070, 31990140]

約数ペア:

[(1, 31990140), (2, 15995070), (3, 10663380), (4, 7997535), (5, 6398028), (6, 5331690), (7, 4570020), (9, 3554460), (10, 3199014), (12, 2665845), (13, 2460780), (14, 2285010), (15, 2132676), (18, 1777230), (20, 1599507), (21, 1523340), (26, 1230390), (27, 1184820), (28, 1142505), (30, 1066338), (31, 1031940), (35, 914004), (36, 888615), (39, 820260), (42, 761670), (45, 710892), (49, 652860), (52, 615195), (54, 592410), (60, 533169), (62, 515970), (63, 507780), (65, 492156), (70, 457002), (78, 410130), (81, 394940), (84, 380835), (90, 355446), (91, 351540), (93, 343980), (98, 326430), (105, 304668), (108, 296205), (117, 273420), (124, 257985), (126, 253890), (130, 246078), (135, 236964), (140, 228501), (147, 217620), (155, 206388), (156, 205065), (162, 197470), (180, 177723), (182, 175770), (186, 171990), (189, 169260), (195, 164052), (196, 163215), (210, 152334), (217, 147420), (234, 136710), (245, 130572), (252, 126945), (260, 123039), (270, 118482), (273, 117180), (279, 114660), (294, 108810), (310, 103194), (315, 101556), (324, 98735), (351, 91140), (364, 87885), (372, 85995), (378, 84630), (390, 82026), (403, 79380), (405, 78988), (420, 76167), (434, 73710), (441, 72540), (455, 70308), (465, 68796), (468, 68355), (490, 65286), (540, 59241), (546, 58590), (558, 57330), (567, 56420), (585, 54684), (588, 54405), (620, 51597), (630, 50778), (637, 50220), (651, 49140), (702, 45570), (735, 43524), (756, 42315), (780, 41013), (806, 39690), (810, 39494), (819, 39060), (837, 38220), (868, 36855), (882, 36270), (910, 35154), (930, 34398), (945, 33852), (980, 32643), (1053, 30380), (1085, 29484), (1092, 29295), (1116, 28665), (1134, 28210), (1170, 27342), (1209, 26460), (1260, 25389), (1274, 25110), (1302, 24570), (1323, 24180), (1365, 23436), (1395, 22932), (1404, 22785), (1470, 21762), (1519, 21060), (1612, 19845), (1620, 19747), (1638, 19530), (1674, 19110), (1755, 18228), (1764, 18135), (1820, 17577), (1860, 17199), (1890, 16926), (1911, 16740), (1953, 16380), (2015, 15876), (2106, 15190), (2170, 14742), (2205, 14508), (2268, 14105), (2340, 13671), (2418, 13230), (2457, 13020), (2511, 12740), (2548, 12555), (2604, 12285), (2646, 12090), (2730, 11718), (2790, 11466), (2821, 11340), (2835, 11284), (2940, 10881), (3038, 10530), (3185, 10044), (3255, 9828), (3276, 9765), (3348, 9555), (3510, 9114), (3627, 8820), (3780, 8463), (3822, 8370), (3906, 8190), (3969, 8060), (4030, 7938), (4095, 7812), (4185, 7644), (4212, 7595), (4340, 7371), (4410, 7254), (4557, 7020), (4836, 6615), (4914, 6510), (5022, 6370), (5265, 6076), (5292, 6045), (5460, 5859), (5580, 5733), (5642, 5670)]