66804780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{159059}}^1$

素因数の和:159078

約数の個数: 48

約数和(自身を含む): 213776640

約数和(自身を除く): 146971860

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, 159059, 318118, 477177, 636236, 795295, 954354, 1113413, 1590590, 1908708, 2226826, 2385885, 3181180, 3340239, 4453652, 4771770, 5567065, 6680478, 9543540, 11134130, 13360956, 16701195, 22268260, 33402390, 66804780]

約数ペア:

[(1, 66804780), (2, 33402390), (3, 22268260), (4, 16701195), (5, 13360956), (6, 11134130), (7, 9543540), (10, 6680478), (12, 5567065), (14, 4771770), (15, 4453652), (20, 3340239), (21, 3181180), (28, 2385885), (30, 2226826), (35, 1908708), (42, 1590590), (60, 1113413), (70, 954354), (84, 795295), (105, 636236), (140, 477177), (210, 318118), (420, 159059)]