8668380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{20639}}^1$

素因数の和:20658

約数の個数: 48

約数和(自身を含む): 27740160

約数和(自身を除く): 19071780

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, 20639, 41278, 61917, 82556, 103195, 123834, 144473, 206390, 247668, 288946, 309585, 412780, 433419, 577892, 619170, 722365, 866838, 1238340, 1444730, 1733676, 2167095, 2889460, 4334190, 8668380]

約数ペア:

[(1, 8668380), (2, 4334190), (3, 2889460), (4, 2167095), (5, 1733676), (6, 1444730), (7, 1238340), (10, 866838), (12, 722365), (14, 619170), (15, 577892), (20, 433419), (21, 412780), (28, 309585), (30, 288946), (35, 247668), (42, 206390), (60, 144473), (70, 123834), (84, 103195), (105, 82556), (140, 61917), (210, 41278), (420, 20639)]