130631240

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{79}}^1\times {\mathrm{617}}^1$

素因数の和:774

約数の個数: 64

約数和(自身を含む): 302572800

約数和(自身を除く): 171941560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 79, 134, 158, 268, 316, 335, 395, 536, 617, 632, 670, 790, 1234, 1340, 1580, 2468, 2680, 3085, 3160, 4936, 5293, 6170, 10586, 12340, 21172, 24680, 26465, 41339, 42344, 48743, 52930, 82678, 97486, 105860, 165356, 194972, 206695, 211720, 243715, 330712, 389944, 413390, 487430, 826780, 974860, 1653560, 1949720, 3265781, 6531562, 13063124, 16328905, 26126248, 32657810, 65315620, 130631240]

約数ペア:

[(1, 130631240), (2, 65315620), (4, 32657810), (5, 26126248), (8, 16328905), (10, 13063124), (20, 6531562), (40, 3265781), (67, 1949720), (79, 1653560), (134, 974860), (158, 826780), (268, 487430), (316, 413390), (335, 389944), (395, 330712), (536, 243715), (617, 211720), (632, 206695), (670, 194972), (790, 165356), (1234, 105860), (1340, 97486), (1580, 82678), (2468, 52930), (2680, 48743), (3085, 42344), (3160, 41339), (4936, 26465), (5293, 24680), (6170, 21172), (10586, 12340)]