1520432420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^2\times {\mathrm{937}}^1$

素因数の和:1117

約数の個数: 72

約数和(自身を含む): 3486309624

約数和(自身を除く): 1965877204

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 79, 130, 158, 260, 316, 395, 790, 937, 1027, 1580, 1874, 2054, 3748, 4108, 4685, 5135, 6241, 9370, 10270, 12181, 12482, 18740, 20540, 24362, 24964, 31205, 48724, 60905, 62410, 74023, 81133, 121810, 124820, 148046, 162266, 243620, 296092, 324532, 370115, 405665, 740230, 811330, 962299, 1480460, 1622660, 1924598, 3849196, 4811495, 5847817, 9622990, 11695634, 19245980, 23391268, 29239085, 58478170, 76021621, 116956340, 152043242, 304086484, 380108105, 760216210, 1520432420]

約数ペア:

[(1, 1520432420), (2, 760216210), (4, 380108105), (5, 304086484), (10, 152043242), (13, 116956340), (20, 76021621), (26, 58478170), (52, 29239085), (65, 23391268), (79, 19245980), (130, 11695634), (158, 9622990), (260, 5847817), (316, 4811495), (395, 3849196), (790, 1924598), (937, 1622660), (1027, 1480460), (1580, 962299), (1874, 811330), (2054, 740230), (3748, 405665), (4108, 370115), (4685, 324532), (5135, 296092), (6241, 243620), (9370, 162266), (10270, 148046), (12181, 124820), (12482, 121810), (18740, 81133), (20540, 74023), (24362, 62410), (24964, 60905), (31205, 48724)]