31295520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{211}}^1$

素因数の和:335

約数の個数: 144

約数和(自身を含む): 108343872

約数和(自身を除く): 77048352

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 103, 120, 144, 160, 180, 206, 211, 240, 288, 309, 360, 412, 422, 480, 515, 618, 633, 720, 824, 844, 927, 1030, 1055, 1236, 1266, 1440, 1545, 1648, 1688, 1854, 1899, 2060, 2110, 2472, 2532, 3090, 3165, 3296, 3376, 3708, 3798, 4120, 4220, 4635, 4944, 5064, 6180, 6330, 6752, 7416, 7596, 8240, 8440, 9270, 9495, 9888, 10128, 12360, 12660, 14832, 15192, 16480, 16880, 18540, 18990, 20256, 21733, 24720, 25320, 29664, 30384, 33760, 37080, 37980, 43466, 49440, 50640, 60768, 65199, 74160, 75960, 86932, 101280, 108665, 130398, 148320, 151920, 173864, 195597, 217330, 260796, 303840, 325995, 347728, 391194, 434660, 521592, 651990, 695456, 782388, 869320, 977985, 1043184, 1303980, 1564776, 1738640, 1955970, 2086368, 2607960, 3129552, 3477280, 3911940, 5215920, 6259104, 7823880, 10431840, 15647760, 31295520]

約数ペア:

[(1, 31295520), (2, 15647760), (3, 10431840), (4, 7823880), (5, 6259104), (6, 5215920), (8, 3911940), (9, 3477280), (10, 3129552), (12, 2607960), (15, 2086368), (16, 1955970), (18, 1738640), (20, 1564776), (24, 1303980), (30, 1043184), (32, 977985), (36, 869320), (40, 782388), (45, 695456), (48, 651990), (60, 521592), (72, 434660), (80, 391194), (90, 347728), (96, 325995), (103, 303840), (120, 260796), (144, 217330), (160, 195597), (180, 173864), (206, 151920), (211, 148320), (240, 130398), (288, 108665), (309, 101280), (360, 86932), (412, 75960), (422, 74160), (480, 65199), (515, 60768), (618, 50640), (633, 49440), (720, 43466), (824, 37980), (844, 37080), (927, 33760), (1030, 30384), (1055, 29664), (1236, 25320), (1266, 24720), (1440, 21733), (1545, 20256), (1648, 18990), (1688, 18540), (1854, 16880), (1899, 16480), (2060, 15192), (2110, 14832), (2472, 12660), (2532, 12360), (3090, 10128), (3165, 9888), (3296, 9495), (3376, 9270), (3708, 8440), (3798, 8240), (4120, 7596), (4220, 7416), (4635, 6752), (4944, 6330), (5064, 6180)]