664410180

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1581929}}^1$

素因数の和:1581948

約数の個数: 48

約数和(自身を含む): 2126113920

約数和(自身を除く): 1461703740

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1581929, 3163858, 4745787, 6327716, 7909645, 9491574, 11073503, 15819290, 18983148, 22147006, 23728935, 31638580, 33220509, 44294012, 47457870, 55367515, 66441018, 94915740, 110735030, 132882036, 166102545, 221470060, 332205090, 664410180]

約数ペア:

[(1, 664410180), (2, 332205090), (3, 221470060), (4, 166102545), (5, 132882036), (6, 110735030), (7, 94915740), (10, 66441018), (12, 55367515), (14, 47457870), (15, 44294012), (20, 33220509), (21, 31638580), (28, 23728935), (30, 22147006), (35, 18983148), (42, 15819290), (60, 11073503), (70, 9491574), (84, 7909645), (105, 6327716), (140, 4745787), (210, 3163858), (420, 1581929)]