68792720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{27739}}^1$

素因数の和:27783

約数の個数: 40

約数和(自身を含む): 165108480

約数和(自身を除く): 96315760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 27739, 55478, 110956, 138695, 221912, 277390, 443824, 554780, 859909, 1109560, 1719818, 2219120, 3439636, 4299545, 6879272, 8599090, 13758544, 17198180, 34396360, 68792720]

約数ペア:

[(1, 68792720), (2, 34396360), (4, 17198180), (5, 13758544), (8, 8599090), (10, 6879272), (16, 4299545), (20, 3439636), (31, 2219120), (40, 1719818), (62, 1109560), (80, 859909), (124, 554780), (155, 443824), (248, 277390), (310, 221912), (496, 138695), (620, 110956), (1240, 55478), (2480, 27739)]