129842960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{6571}}^1$

素因数の和:6616

約数の個数: 80

約数和(自身を含む): 342269760

約数和(自身を除く): 212426800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 380, 494, 520, 760, 988, 1040, 1235, 1520, 1976, 2470, 3952, 4940, 6571, 9880, 13142, 19760, 26284, 32855, 52568, 65710, 85423, 105136, 124849, 131420, 170846, 249698, 262840, 341692, 427115, 499396, 525680, 624245, 683384, 854230, 998792, 1248490, 1366768, 1623037, 1708460, 1997584, 2496980, 3246074, 3416920, 4993960, 6492148, 6833840, 8115185, 9987920, 12984296, 16230370, 25968592, 32460740, 64921480, 129842960]

約数ペア:

[(1, 129842960), (2, 64921480), (4, 32460740), (5, 25968592), (8, 16230370), (10, 12984296), (13, 9987920), (16, 8115185), (19, 6833840), (20, 6492148), (26, 4993960), (38, 3416920), (40, 3246074), (52, 2496980), (65, 1997584), (76, 1708460), (80, 1623037), (95, 1366768), (104, 1248490), (130, 998792), (152, 854230), (190, 683384), (208, 624245), (247, 525680), (260, 499396), (304, 427115), (380, 341692), (494, 262840), (520, 249698), (760, 170846), (988, 131420), (1040, 124849), (1235, 105136), (1520, 85423), (1976, 65710), (2470, 52568), (3952, 32855), (4940, 26284), (6571, 19760), (9880, 13142)]