81626640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{340111}}^1$

素因数の和:340127

約数の個数: 40

約数和(自身を含む): 253043328

約数和(自身を除く): 171416688

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 340111, 680222, 1020333, 1360444, 1700555, 2040666, 2720888, 3401110, 4081332, 5101665, 5441776, 6802220, 8162664, 10203330, 13604440, 16325328, 20406660, 27208880, 40813320, 81626640]

約数ペア:

[(1, 81626640), (2, 40813320), (3, 27208880), (4, 20406660), (5, 16325328), (6, 13604440), (8, 10203330), (10, 8162664), (12, 6802220), (15, 5441776), (16, 5101665), (20, 4081332), (24, 3401110), (30, 2720888), (40, 2040666), (48, 1700555), (60, 1360444), (80, 1020333), (120, 680222), (240, 340111)]