15518480

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{6689}}^1$

素因数の和:6731

約数の個数: 40

約数和(自身を含む): 37330200

約数和(自身を除く): 21811720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 6689, 13378, 26756, 33445, 53512, 66890, 107024, 133780, 193981, 267560, 387962, 535120, 775924, 969905, 1551848, 1939810, 3103696, 3879620, 7759240, 15518480]

約数ペア:

[(1, 15518480), (2, 7759240), (4, 3879620), (5, 3103696), (8, 1939810), (10, 1551848), (16, 969905), (20, 775924), (29, 535120), (40, 387962), (58, 267560), (80, 193981), (116, 133780), (145, 107024), (232, 66890), (290, 53512), (464, 33445), (580, 26756), (1160, 13378), (2320, 6689)]