1280580

素因数分解:

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

素因数の和:3068

約数の個数: 48

約数和(自身を含む): 4099200

約数和(自身を除く): 2818620

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, 3049, 6098, 9147, 12196, 15245, 18294, 21343, 30490, 36588, 42686, 45735, 60980, 64029, 85372, 91470, 106715, 128058, 182940, 213430, 256116, 320145, 426860, 640290, 1280580]

約数ペア:

[(1, 1280580), (2, 640290), (3, 426860), (4, 320145), (5, 256116), (6, 213430), (7, 182940), (10, 128058), (12, 106715), (14, 91470), (15, 85372), (20, 64029), (21, 60980), (28, 45735), (30, 42686), (35, 36588), (42, 30490), (60, 21343), (70, 18294), (84, 15245), (105, 12196), (140, 9147), (210, 6098), (420, 3049)]