251868120

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{299843}}^1$

素因数の和:299864

約数の個数: 64

約数和(自身を含む): 863550720

約数和(自身を除く): 611682600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 299843, 599686, 899529, 1199372, 1499215, 1799058, 2098901, 2398744, 2998430, 3598116, 4197802, 4497645, 5996860, 6296703, 7196232, 8395604, 8995290, 10494505, 11993720, 12593406, 16791208, 17990580, 20989010, 25186812, 31483515, 35981160, 41978020, 50373624, 62967030, 83956040, 125934060, 251868120]

約数ペア:

[(1, 251868120), (2, 125934060), (3, 83956040), (4, 62967030), (5, 50373624), (6, 41978020), (7, 35981160), (8, 31483515), (10, 25186812), (12, 20989010), (14, 17990580), (15, 16791208), (20, 12593406), (21, 11993720), (24, 10494505), (28, 8995290), (30, 8395604), (35, 7196232), (40, 6296703), (42, 5996860), (56, 4497645), (60, 4197802), (70, 3598116), (84, 2998430), (105, 2398744), (120, 2098901), (140, 1799058), (168, 1499215), (210, 1199372), (280, 899529), (420, 599686), (840, 299843)]