76642640

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{181}}^1$

素因数の和:340

約数の個数: 80

約数和(自身を含む): 184154880

約数和(自身を除く): 107512240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 79, 80, 134, 158, 181, 268, 316, 335, 362, 395, 536, 632, 670, 724, 790, 905, 1072, 1264, 1340, 1448, 1580, 1810, 2680, 2896, 3160, 3620, 5293, 5360, 6320, 7240, 10586, 12127, 14299, 14480, 21172, 24254, 26465, 28598, 42344, 48508, 52930, 57196, 60635, 71495, 84688, 97016, 105860, 114392, 121270, 142990, 194032, 211720, 228784, 242540, 285980, 423440, 485080, 571960, 958033, 970160, 1143920, 1916066, 3832132, 4790165, 7664264, 9580330, 15328528, 19160660, 38321320, 76642640]

約数ペア:

[(1, 76642640), (2, 38321320), (4, 19160660), (5, 15328528), (8, 9580330), (10, 7664264), (16, 4790165), (20, 3832132), (40, 1916066), (67, 1143920), (79, 970160), (80, 958033), (134, 571960), (158, 485080), (181, 423440), (268, 285980), (316, 242540), (335, 228784), (362, 211720), (395, 194032), (536, 142990), (632, 121270), (670, 114392), (724, 105860), (790, 97016), (905, 84688), (1072, 71495), (1264, 60635), (1340, 57196), (1448, 52930), (1580, 48508), (1810, 42344), (2680, 28598), (2896, 26465), (3160, 24254), (3620, 21172), (5293, 14480), (5360, 14299), (6320, 12127), (7240, 10586)]