147212820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{11519}}^1$

素因数の和:11605

約数の個数: 72

約数和(自身を含む): 452874240

約数和(自身を除く): 305661420

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, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 6390, 11519, 12780, 23038, 34557, 46076, 57595, 69114, 103671, 115190, 138228, 172785, 207342, 230380, 345570, 414684, 518355, 691140, 817849, 1036710, 1635698, 2073420, 2453547, 3271396, 4089245, 4907094, 7360641, 8178490, 9814188, 12267735, 14721282, 16356980, 24535470, 29442564, 36803205, 49070940, 73606410, 147212820]

約数ペア:

[(1, 147212820), (2, 73606410), (3, 49070940), (4, 36803205), (5, 29442564), (6, 24535470), (9, 16356980), (10, 14721282), (12, 12267735), (15, 9814188), (18, 8178490), (20, 7360641), (30, 4907094), (36, 4089245), (45, 3271396), (60, 2453547), (71, 2073420), (90, 1635698), (142, 1036710), (180, 817849), (213, 691140), (284, 518355), (355, 414684), (426, 345570), (639, 230380), (710, 207342), (852, 172785), (1065, 138228), (1278, 115190), (1420, 103671), (2130, 69114), (2556, 57595), (3195, 46076), (4260, 34557), (6390, 23038), (11519, 12780)]