157793480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15971}}^1$

素因数の和:16014

約数の個数: 64

約数和(自身を含む): 402494400

約数和(自身を除く): 244700920

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 38, 40, 52, 65, 76, 95, 104, 130, 152, 190, 247, 260, 380, 494, 520, 760, 988, 1235, 1976, 2470, 4940, 9880, 15971, 31942, 63884, 79855, 127768, 159710, 207623, 303449, 319420, 415246, 606898, 638840, 830492, 1038115, 1213796, 1517245, 1660984, 2076230, 2427592, 3034490, 3944837, 4152460, 6068980, 7889674, 8304920, 12137960, 15779348, 19724185, 31558696, 39448370, 78896740, 157793480]

約数ペア:

[(1, 157793480), (2, 78896740), (4, 39448370), (5, 31558696), (8, 19724185), (10, 15779348), (13, 12137960), (19, 8304920), (20, 7889674), (26, 6068980), (38, 4152460), (40, 3944837), (52, 3034490), (65, 2427592), (76, 2076230), (95, 1660984), (104, 1517245), (130, 1213796), (152, 1038115), (190, 830492), (247, 638840), (260, 606898), (380, 415246), (494, 319420), (520, 303449), (760, 207623), (988, 159710), (1235, 127768), (1976, 79855), (2470, 63884), (4940, 31942), (9880, 15971)]