1389360

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{827}}^1$

素因数の和:850

約数の個数: 80

約数和(自身を含む): 4928256

約数和(自身を除く): 3538896

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, 827, 840, 1654, 1680, 2481, 3308, 4135, 4962, 5789, 6616, 8270, 9924, 11578, 12405, 13232, 16540, 17367, 19848, 23156, 24810, 28945, 33080, 34734, 39696, 46312, 49620, 57890, 66160, 69468, 86835, 92624, 99240, 115780, 138936, 173670, 198480, 231560, 277872, 347340, 463120, 694680, 1389360]

約数ペア:

[(1, 1389360), (2, 694680), (3, 463120), (4, 347340), (5, 277872), (6, 231560), (7, 198480), (8, 173670), (10, 138936), (12, 115780), (14, 99240), (15, 92624), (16, 86835), (20, 69468), (21, 66160), (24, 57890), (28, 49620), (30, 46312), (35, 39696), (40, 34734), (42, 33080), (48, 28945), (56, 24810), (60, 23156), (70, 19848), (80, 17367), (84, 16540), (105, 13232), (112, 12405), (120, 11578), (140, 9924), (168, 8270), (210, 6616), (240, 5789), (280, 4962), (336, 4135), (420, 3308), (560, 2481), (827, 1680), (840, 1654)]