76983920

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{937}}^1$

素因数の和:1042

約数の個数: 80

約数和(自身を含む): 195404160

約数和(自身を除く): 118420240

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 79, 80, 104, 130, 158, 208, 260, 316, 395, 520, 632, 790, 937, 1027, 1040, 1264, 1580, 1874, 2054, 3160, 3748, 4108, 4685, 5135, 6320, 7496, 8216, 9370, 10270, 12181, 14992, 16432, 18740, 20540, 24362, 37480, 41080, 48724, 60905, 74023, 74960, 82160, 97448, 121810, 148046, 194896, 243620, 296092, 370115, 487240, 592184, 740230, 962299, 974480, 1184368, 1480460, 1924598, 2960920, 3849196, 4811495, 5921840, 7698392, 9622990, 15396784, 19245980, 38491960, 76983920]

約数ペア:

[(1, 76983920), (2, 38491960), (4, 19245980), (5, 15396784), (8, 9622990), (10, 7698392), (13, 5921840), (16, 4811495), (20, 3849196), (26, 2960920), (40, 1924598), (52, 1480460), (65, 1184368), (79, 974480), (80, 962299), (104, 740230), (130, 592184), (158, 487240), (208, 370115), (260, 296092), (316, 243620), (395, 194896), (520, 148046), (632, 121810), (790, 97448), (937, 82160), (1027, 74960), (1040, 74023), (1264, 60905), (1580, 48724), (1874, 41080), (2054, 37480), (3160, 24362), (3748, 20540), (4108, 18740), (4685, 16432), (5135, 14992), (6320, 12181), (7496, 10270), (8216, 9370)]