31919160

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:150

約数の個数: 256

約数和(自身を含む): 122572800

約数和(自身を除く): 90653640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 37, 39, 40, 42, 52, 56, 60, 65, 70, 74, 78, 79, 84, 91, 104, 105, 111, 120, 130, 140, 148, 156, 158, 168, 182, 185, 195, 210, 222, 237, 259, 260, 273, 280, 296, 312, 316, 364, 370, 390, 395, 420, 444, 455, 474, 481, 518, 520, 546, 553, 555, 632, 728, 740, 777, 780, 790, 840, 888, 910, 948, 962, 1027, 1036, 1092, 1106, 1110, 1185, 1295, 1365, 1443, 1480, 1554, 1560, 1580, 1659, 1820, 1896, 1924, 2054, 2072, 2184, 2212, 2220, 2370, 2405, 2590, 2730, 2765, 2886, 2923, 3081, 3108, 3160, 3318, 3367, 3640, 3848, 3885, 4108, 4424, 4440, 4740, 4810, 5135, 5180, 5460, 5530, 5772, 5846, 6162, 6216, 6636, 6734, 7189, 7215, 7770, 8216, 8295, 8769, 9480, 9620, 10101, 10270, 10360, 10920, 11060, 11544, 11692, 12324, 13272, 13468, 14378, 14430, 14615, 15405, 15540, 16590, 16835, 17538, 19240, 20202, 20461, 20540, 21567, 22120, 23384, 24648, 26936, 28756, 28860, 29230, 30810, 31080, 33180, 33670, 35076, 35945, 37999, 40404, 40922, 41080, 43134, 43845, 50505, 57512, 57720, 58460, 61383, 61620, 66360, 67340, 70152, 71890, 75998, 80808, 81844, 86268, 87690, 101010, 102305, 107835, 113997, 116920, 122766, 123240, 134680, 143780, 151996, 163688, 172536, 175380, 189995, 202020, 204610, 215670, 227994, 245532, 265993, 287560, 303992, 306915, 350760, 379990, 404040, 409220, 431340, 455988, 491064, 531986, 569985, 613830, 759980, 797979, 818440, 862680, 911976, 1063972, 1139970, 1227660, 1329965, 1519960, 1595958, 2127944, 2279940, 2455320, 2659930, 3191916, 3989895, 4559880, 5319860, 6383832, 7979790, 10639720, 15959580, 31919160]

約数ペア:

[(1, 31919160), (2, 15959580), (3, 10639720), (4, 7979790), (5, 6383832), (6, 5319860), (7, 4559880), (8, 3989895), (10, 3191916), (12, 2659930), (13, 2455320), (14, 2279940), (15, 2127944), (20, 1595958), (21, 1519960), (24, 1329965), (26, 1227660), (28, 1139970), (30, 1063972), (35, 911976), (37, 862680), (39, 818440), (40, 797979), (42, 759980), (52, 613830), (56, 569985), (60, 531986), (65, 491064), (70, 455988), (74, 431340), (78, 409220), (79, 404040), (84, 379990), (91, 350760), (104, 306915), (105, 303992), (111, 287560), (120, 265993), (130, 245532), (140, 227994), (148, 215670), (156, 204610), (158, 202020), (168, 189995), (182, 175380), (185, 172536), (195, 163688), (210, 151996), (222, 143780), (237, 134680), (259, 123240), (260, 122766), (273, 116920), (280, 113997), (296, 107835), (312, 102305), (316, 101010), (364, 87690), (370, 86268), (390, 81844), (395, 80808), (420, 75998), (444, 71890), (455, 70152), (474, 67340), (481, 66360), (518, 61620), (520, 61383), (546, 58460), (553, 57720), (555, 57512), (632, 50505), (728, 43845), (740, 43134), (777, 41080), (780, 40922), (790, 40404), (840, 37999), (888, 35945), (910, 35076), (948, 33670), (962, 33180), (1027, 31080), (1036, 30810), (1092, 29230), (1106, 28860), (1110, 28756), (1185, 26936), (1295, 24648), (1365, 23384), (1443, 22120), (1480, 21567), (1554, 20540), (1560, 20461), (1580, 20202), (1659, 19240), (1820, 17538), (1896, 16835), (1924, 16590), (2054, 15540), (2072, 15405), (2184, 14615), (2212, 14430), (2220, 14378), (2370, 13468), (2405, 13272), (2590, 12324), (2730, 11692), (2765, 11544), (2886, 11060), (2923, 10920), (3081, 10360), (3108, 10270), (3160, 10101), (3318, 9620), (3367, 9480), (3640, 8769), (3848, 8295), (3885, 8216), (4108, 7770), (4424, 7215), (4440, 7189), (4740, 6734), (4810, 6636), (5135, 6216), (5180, 6162), (5460, 5846), (5530, 5772)]