31123830

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1049}}^1$

素因数の和:1125

約数の個数: 64

約数和(自身を含む): 79833600

約数和(自身を除く): 48709770

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 30, 43, 46, 69, 86, 115, 129, 138, 215, 230, 258, 345, 430, 645, 690, 989, 1049, 1290, 1978, 2098, 2967, 3147, 4945, 5245, 5934, 6294, 9890, 10490, 14835, 15735, 24127, 29670, 31470, 45107, 48254, 72381, 90214, 120635, 135321, 144762, 225535, 241270, 270642, 361905, 451070, 676605, 723810, 1037461, 1353210, 2074922, 3112383, 5187305, 6224766, 10374610, 15561915, 31123830]

約数ペア:

[(1, 31123830), (2, 15561915), (3, 10374610), (5, 6224766), (6, 5187305), (10, 3112383), (15, 2074922), (23, 1353210), (30, 1037461), (43, 723810), (46, 676605), (69, 451070), (86, 361905), (115, 270642), (129, 241270), (138, 225535), (215, 144762), (230, 135321), (258, 120635), (345, 90214), (430, 72381), (645, 48254), (690, 45107), (989, 31470), (1049, 29670), (1290, 24127), (1978, 15735), (2098, 14835), (2967, 10490), (3147, 9890), (4945, 6294), (5245, 5934)]