100207980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{7841}}^1$

素因数の和:7927

約数の個数: 72

約数和(自身を含む): 308284704

約数和(自身を除く): 208076724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 7841, 12780, 15682, 23523, 31364, 39205, 47046, 70569, 78410, 94092, 117615, 141138, 156820, 235230, 282276, 352845, 470460, 556711, 705690, 1113422, 1411380, 1670133, 2226844, 2783555, 3340266, 5010399, 5567110, 6680532, 8350665, 10020798, 11134220, 16701330, 20041596, 25051995, 33402660, 50103990, 100207980]

約数ペア:

[(1, 100207980), (2, 50103990), (3, 33402660), (4, 25051995), (5, 20041596), (6, 16701330), (9, 11134220), (10, 10020798), (12, 8350665), (15, 6680532), (18, 5567110), (20, 5010399), (30, 3340266), (36, 2783555), (45, 2226844), (60, 1670133), (71, 1411380), (90, 1113422), (142, 705690), (180, 556711), (213, 470460), (284, 352845), (355, 282276), (426, 235230), (639, 156820), (710, 141138), (852, 117615), (1065, 94092), (1278, 78410), (1420, 70569), (2130, 47046), (2556, 39205), (3195, 31364), (4260, 23523), (6390, 15682), (7841, 12780)]