28613340

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{22709}}^1$

素因数の和:22731

約数の個数: 72

約数和(自身を含む): 99197280

約数和(自身を除く): 70583940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 22709, 45418, 68127, 90836, 113545, 136254, 158963, 204381, 227090, 272508, 317926, 340635, 408762, 454180, 476889, 635852, 681270, 794815, 817524, 953778, 1021905, 1362540, 1430667, 1589630, 1907556, 2043810, 2384445, 2861334, 3179260, 4087620, 4768890, 5722668, 7153335, 9537780, 14306670, 28613340]

約数ペア:

[(1, 28613340), (2, 14306670), (3, 9537780), (4, 7153335), (5, 5722668), (6, 4768890), (7, 4087620), (9, 3179260), (10, 2861334), (12, 2384445), (14, 2043810), (15, 1907556), (18, 1589630), (20, 1430667), (21, 1362540), (28, 1021905), (30, 953778), (35, 817524), (36, 794815), (42, 681270), (45, 635852), (60, 476889), (63, 454180), (70, 408762), (84, 340635), (90, 317926), (105, 272508), (126, 227090), (140, 204381), (180, 158963), (210, 136254), (252, 113545), (315, 90836), (420, 68127), (630, 45418), (1260, 22709)]