641318160

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{381737}}^1$

素因数の和:381760

約数の個数: 80

約数和(自身を含む): 2272104576

約数和(自身を除く): 1630786416

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 381737, 763474, 1145211, 1526948, 1908685, 2290422, 2672159, 3053896, 3817370, 4580844, 5344318, 5726055, 6107792, 7634740, 8016477, 9161688, 10688636, 11452110, 13360795, 15269480, 16032954, 18323376, 21377272, 22904220, 26721590, 30538960, 32065908, 40082385, 42754544, 45808440, 53443180, 64131816, 80164770, 91616880, 106886360, 128263632, 160329540, 213772720, 320659080, 641318160]

約数ペア:

[(1, 641318160), (2, 320659080), (3, 213772720), (4, 160329540), (5, 128263632), (6, 106886360), (7, 91616880), (8, 80164770), (10, 64131816), (12, 53443180), (14, 45808440), (15, 42754544), (16, 40082385), (20, 32065908), (21, 30538960), (24, 26721590), (28, 22904220), (30, 21377272), (35, 18323376), (40, 16032954), (42, 15269480), (48, 13360795), (56, 11452110), (60, 10688636), (70, 9161688), (80, 8016477), (84, 7634740), (105, 6107792), (112, 5726055), (120, 5344318), (140, 4580844), (168, 3817370), (210, 3053896), (240, 2672159), (280, 2290422), (336, 1908685), (420, 1526948), (560, 1145211), (840, 763474), (1680, 381737)]