64745040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{2671}}^1$

素因数の和:2788

約数の個数: 80

約数和(自身を含む): 202772736

約数和(自身を除く): 138027696

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 101, 120, 202, 240, 303, 404, 505, 606, 808, 1010, 1212, 1515, 1616, 2020, 2424, 2671, 3030, 4040, 4848, 5342, 6060, 8013, 8080, 10684, 12120, 13355, 16026, 21368, 24240, 26710, 32052, 40065, 42736, 53420, 64104, 80130, 106840, 128208, 160260, 213680, 269771, 320520, 539542, 641040, 809313, 1079084, 1348855, 1618626, 2158168, 2697710, 3237252, 4046565, 4316336, 5395420, 6474504, 8093130, 10790840, 12949008, 16186260, 21581680, 32372520, 64745040]

約数ペア:

[(1, 64745040), (2, 32372520), (3, 21581680), (4, 16186260), (5, 12949008), (6, 10790840), (8, 8093130), (10, 6474504), (12, 5395420), (15, 4316336), (16, 4046565), (20, 3237252), (24, 2697710), (30, 2158168), (40, 1618626), (48, 1348855), (60, 1079084), (80, 809313), (101, 641040), (120, 539542), (202, 320520), (240, 269771), (303, 213680), (404, 160260), (505, 128208), (606, 106840), (808, 80130), (1010, 64104), (1212, 53420), (1515, 42736), (1616, 40065), (2020, 32052), (2424, 26710), (2671, 24240), (3030, 21368), (4040, 16026), (4848, 13355), (5342, 12120), (6060, 10684), (8013, 8080)]