2640540

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{6287}}^1$

素因数の和:6306

約数の個数: 48

約数和(自身を含む): 8451072

約数和(自身を除く): 5810532

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, 6287, 12574, 18861, 25148, 31435, 37722, 44009, 62870, 75444, 88018, 94305, 125740, 132027, 176036, 188610, 220045, 264054, 377220, 440090, 528108, 660135, 880180, 1320270, 2640540]

約数ペア:

[(1, 2640540), (2, 1320270), (3, 880180), (4, 660135), (5, 528108), (6, 440090), (7, 377220), (10, 264054), (12, 220045), (14, 188610), (15, 176036), (20, 132027), (21, 125740), (28, 94305), (30, 88018), (35, 75444), (42, 62870), (60, 44009), (70, 37722), (84, 31435), (105, 25148), (140, 18861), (210, 12574), (420, 6287)]