1639007580

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3902399}}^1$

素因数の和:3902418

約数の個数: 48

約数和(自身を含む): 5244825600

約数和(自身を除く): 3605818020

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, 3902399, 7804798, 11707197, 15609596, 19511995, 23414394, 27316793, 39023990, 46828788, 54633586, 58535985, 78047980, 81950379, 109267172, 117071970, 136583965, 163900758, 234143940, 273167930, 327801516, 409751895, 546335860, 819503790, 1639007580]

約数ペア:

[(1, 1639007580), (2, 819503790), (3, 546335860), (4, 409751895), (5, 327801516), (6, 273167930), (7, 234143940), (10, 163900758), (12, 136583965), (14, 117071970), (15, 109267172), (20, 81950379), (21, 78047980), (28, 58535985), (30, 54633586), (35, 46828788), (42, 39023990), (60, 27316793), (70, 23414394), (84, 19511995), (105, 15609596), (140, 11707197), (210, 7804798), (420, 3902399)]