885485720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{40031}}^1$

素因数の和:40128

約数の個数: 64

約数和(自身を含む): 2305843200

約数和(自身を除く): 1420357480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1580, 2212, 2765, 3160, 4424, 5530, 11060, 22120, 40031, 80062, 160124, 200155, 280217, 320248, 400310, 560434, 800620, 1120868, 1401085, 1601240, 2241736, 2802170, 3162449, 5604340, 6324898, 11208680, 12649796, 15812245, 22137143, 25299592, 31624490, 44274286, 63248980, 88548572, 110685715, 126497960, 177097144, 221371430, 442742860, 885485720]

約数ペア:

[(1, 885485720), (2, 442742860), (4, 221371430), (5, 177097144), (7, 126497960), (8, 110685715), (10, 88548572), (14, 63248980), (20, 44274286), (28, 31624490), (35, 25299592), (40, 22137143), (56, 15812245), (70, 12649796), (79, 11208680), (140, 6324898), (158, 5604340), (280, 3162449), (316, 2802170), (395, 2241736), (553, 1601240), (632, 1401085), (790, 1120868), (1106, 800620), (1580, 560434), (2212, 400310), (2765, 320248), (3160, 280217), (4424, 200155), (5530, 160124), (11060, 80062), (22120, 40031)]