640290

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{3049}}^1$

素因数の和:3066

約数の個数: 32

約数和(自身を含む): 1756800

約数和(自身を除く): 1116510

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 3049, 6098, 9147, 15245, 18294, 21343, 30490, 42686, 45735, 64029, 91470, 106715, 128058, 213430, 320145, 640290]

約数ペア:

[(1, 640290), (2, 320145), (3, 213430), (5, 128058), (6, 106715), (7, 91470), (10, 64029), (14, 45735), (15, 42686), (21, 30490), (30, 21343), (35, 18294), (42, 15245), (70, 9147), (105, 6098), (210, 3049)]