261640620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{46889}}^1$

素因数の和:46935

約数の個数: 72

約数和(自身を含む): 819262080

約数和(自身を除く): 557621460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 46889, 93778, 140667, 187556, 234445, 281334, 422001, 468890, 562668, 703335, 844002, 937780, 1406670, 1453559, 1688004, 2110005, 2813340, 2907118, 4220010, 4360677, 5814236, 7267795, 8440020, 8721354, 13082031, 14535590, 17442708, 21803385, 26164062, 29071180, 43606770, 52328124, 65410155, 87213540, 130820310, 261640620]

約数ペア:

[(1, 261640620), (2, 130820310), (3, 87213540), (4, 65410155), (5, 52328124), (6, 43606770), (9, 29071180), (10, 26164062), (12, 21803385), (15, 17442708), (18, 14535590), (20, 13082031), (30, 8721354), (31, 8440020), (36, 7267795), (45, 5814236), (60, 4360677), (62, 4220010), (90, 2907118), (93, 2813340), (124, 2110005), (155, 1688004), (180, 1453559), (186, 1406670), (279, 937780), (310, 844002), (372, 703335), (465, 562668), (558, 468890), (620, 422001), (930, 281334), (1116, 234445), (1395, 187556), (1860, 140667), (2790, 93778), (5580, 46889)]