261528570

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{743}}^1\times {\mathrm{3911}}^1$

素因数の和:4667

約数の個数: 48

約数和(自身を含む): 681063552

約数和(自身を除く): 419534982

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 743, 1486, 2229, 3715, 3911, 4458, 6687, 7430, 7822, 11145, 11733, 13374, 19555, 22290, 23466, 33435, 35199, 39110, 58665, 66870, 70398, 117330, 175995, 351990, 2905873, 5811746, 8717619, 14529365, 17435238, 26152857, 29058730, 43588095, 52305714, 87176190, 130764285, 261528570]

約数ペア:

[(1, 261528570), (2, 130764285), (3, 87176190), (5, 52305714), (6, 43588095), (9, 29058730), (10, 26152857), (15, 17435238), (18, 14529365), (30, 8717619), (45, 5811746), (90, 2905873), (743, 351990), (1486, 175995), (2229, 117330), (3715, 70398), (3911, 66870), (4458, 58665), (6687, 39110), (7430, 35199), (7822, 33435), (11145, 23466), (11733, 22290), (13374, 19555)]