279090

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{443}}^1$

素因数の和:463

約数の個数: 48

約数和(自身を含む): 831168

約数和(自身を除く): 552078

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 443, 630, 886, 1329, 2215, 2658, 3101, 3987, 4430, 6202, 6645, 7974, 9303, 13290, 15505, 18606, 19935, 27909, 31010, 39870, 46515, 55818, 93030, 139545, 279090]

約数ペア:

[(1, 279090), (2, 139545), (3, 93030), (5, 55818), (6, 46515), (7, 39870), (9, 31010), (10, 27909), (14, 19935), (15, 18606), (18, 15505), (21, 13290), (30, 9303), (35, 7974), (42, 6645), (45, 6202), (63, 4430), (70, 3987), (90, 3101), (105, 2658), (126, 2215), (210, 1329), (315, 886), (443, 630)]