7891980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4243}}^1$

素因数の和:4286

約数の個数: 48

約数和(自身を含む): 22815744

約数和(自身を除く): 14923764

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 31, 60, 62, 93, 124, 155, 186, 310, 372, 465, 620, 930, 1860, 4243, 8486, 12729, 16972, 21215, 25458, 42430, 50916, 63645, 84860, 127290, 131533, 254580, 263066, 394599, 526132, 657665, 789198, 1315330, 1578396, 1972995, 2630660, 3945990, 7891980]

約数ペア:

[(1, 7891980), (2, 3945990), (3, 2630660), (4, 1972995), (5, 1578396), (6, 1315330), (10, 789198), (12, 657665), (15, 526132), (20, 394599), (30, 263066), (31, 254580), (60, 131533), (62, 127290), (93, 84860), (124, 63645), (155, 50916), (186, 42430), (310, 25458), (372, 21215), (465, 16972), (620, 12729), (930, 8486), (1860, 4243)]