7655220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{599}}^1$

素因数の和:685

約数の個数: 72

約数和(自身を含む): 23587200

約数和(自身を除く): 15931980

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, 599, 639, 710, 852, 1065, 1198, 1278, 1420, 1797, 2130, 2396, 2556, 2995, 3195, 3594, 4260, 5391, 5990, 6390, 7188, 8985, 10782, 11980, 12780, 17970, 21564, 26955, 35940, 42529, 53910, 85058, 107820, 127587, 170116, 212645, 255174, 382761, 425290, 510348, 637935, 765522, 850580, 1275870, 1531044, 1913805, 2551740, 3827610, 7655220]

約数ペア:

[(1, 7655220), (2, 3827610), (3, 2551740), (4, 1913805), (5, 1531044), (6, 1275870), (9, 850580), (10, 765522), (12, 637935), (15, 510348), (18, 425290), (20, 382761), (30, 255174), (36, 212645), (45, 170116), (60, 127587), (71, 107820), (90, 85058), (142, 53910), (180, 42529), (213, 35940), (284, 26955), (355, 21564), (426, 17970), (599, 12780), (639, 11980), (710, 10782), (852, 8985), (1065, 7188), (1198, 6390), (1278, 5990), (1420, 5391), (1797, 4260), (2130, 3594), (2396, 3195), (2556, 2995)]