128529840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6779}}^1$

素因数の和:6874

約数の個数: 80

約数和(自身を含む): 403545600

約数和(自身を除く): 275015760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 79, 80, 120, 158, 237, 240, 316, 395, 474, 632, 790, 948, 1185, 1264, 1580, 1896, 2370, 3160, 3792, 4740, 6320, 6779, 9480, 13558, 18960, 20337, 27116, 33895, 40674, 54232, 67790, 81348, 101685, 108464, 135580, 162696, 203370, 271160, 325392, 406740, 535541, 542320, 813480, 1071082, 1606623, 1626960, 2142164, 2677705, 3213246, 4284328, 5355410, 6426492, 8033115, 8568656, 10710820, 12852984, 16066230, 21421640, 25705968, 32132460, 42843280, 64264920, 128529840]

約数ペア:

[(1, 128529840), (2, 64264920), (3, 42843280), (4, 32132460), (5, 25705968), (6, 21421640), (8, 16066230), (10, 12852984), (12, 10710820), (15, 8568656), (16, 8033115), (20, 6426492), (24, 5355410), (30, 4284328), (40, 3213246), (48, 2677705), (60, 2142164), (79, 1626960), (80, 1606623), (120, 1071082), (158, 813480), (237, 542320), (240, 535541), (316, 406740), (395, 325392), (474, 271160), (632, 203370), (790, 162696), (948, 135580), (1185, 108464), (1264, 101685), (1580, 81348), (1896, 67790), (2370, 54232), (3160, 40674), (3792, 33895), (4740, 27116), (6320, 20337), (6779, 18960), (9480, 13558)]