28666680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{34127}}^1$

素因数の和:34148

約数の個数: 64

約数和(自身を含む): 98288640

約数和(自身を除く): 69621960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 34127, 68254, 102381, 136508, 170635, 204762, 238889, 273016, 341270, 409524, 477778, 511905, 682540, 716667, 819048, 955556, 1023810, 1194445, 1365080, 1433334, 1911112, 2047620, 2388890, 2866668, 3583335, 4095240, 4777780, 5733336, 7166670, 9555560, 14333340, 28666680]

約数ペア:

[(1, 28666680), (2, 14333340), (3, 9555560), (4, 7166670), (5, 5733336), (6, 4777780), (7, 4095240), (8, 3583335), (10, 2866668), (12, 2388890), (14, 2047620), (15, 1911112), (20, 1433334), (21, 1365080), (24, 1194445), (28, 1023810), (30, 955556), (35, 819048), (40, 716667), (42, 682540), (56, 511905), (60, 477778), (70, 409524), (84, 341270), (105, 273016), (120, 238889), (140, 204762), (168, 170635), (210, 136508), (280, 102381), (420, 68254), (840, 34127)]