399897720

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{20959}}^1$

素因数の和:21029

約数の個数: 96

約数和(自身を含む): 1324252800

約数和(自身を除く): 924355080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 53, 60, 72, 90, 106, 120, 159, 180, 212, 265, 318, 360, 424, 477, 530, 636, 795, 954, 1060, 1272, 1590, 1908, 2120, 2385, 3180, 3816, 4770, 6360, 9540, 19080, 20959, 41918, 62877, 83836, 104795, 125754, 167672, 188631, 209590, 251508, 314385, 377262, 419180, 503016, 628770, 754524, 838360, 943155, 1110827, 1257540, 1509048, 1886310, 2221654, 2515080, 3332481, 3772620, 4443308, 5554135, 6664962, 7545240, 8886616, 9997443, 11108270, 13329924, 16662405, 19994886, 22216540, 26659848, 33324810, 39989772, 44433080, 49987215, 66649620, 79979544, 99974430, 133299240, 199948860, 399897720]

約数ペア:

[(1, 399897720), (2, 199948860), (3, 133299240), (4, 99974430), (5, 79979544), (6, 66649620), (8, 49987215), (9, 44433080), (10, 39989772), (12, 33324810), (15, 26659848), (18, 22216540), (20, 19994886), (24, 16662405), (30, 13329924), (36, 11108270), (40, 9997443), (45, 8886616), (53, 7545240), (60, 6664962), (72, 5554135), (90, 4443308), (106, 3772620), (120, 3332481), (159, 2515080), (180, 2221654), (212, 1886310), (265, 1509048), (318, 1257540), (360, 1110827), (424, 943155), (477, 838360), (530, 754524), (636, 628770), (795, 503016), (954, 419180), (1060, 377262), (1272, 314385), (1590, 251508), (1908, 209590), (2120, 188631), (2385, 167672), (3180, 125754), (3816, 104795), (4770, 83836), (6360, 62877), (9540, 41918), (19080, 20959)]