722820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1721}}^1$

素因数の和:1740

約数の個数: 48

約数和(自身を含む): 2314368

約数和(自身を除く): 1591548

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, 1721, 3442, 5163, 6884, 8605, 10326, 12047, 17210, 20652, 24094, 25815, 34420, 36141, 48188, 51630, 60235, 72282, 103260, 120470, 144564, 180705, 240940, 361410, 722820]

約数ペア:

[(1, 722820), (2, 361410), (3, 240940), (4, 180705), (5, 144564), (6, 120470), (7, 103260), (10, 72282), (12, 60235), (14, 51630), (15, 48188), (20, 36141), (21, 34420), (28, 25815), (30, 24094), (35, 20652), (42, 17210), (60, 12047), (70, 10326), (84, 8605), (105, 6884), (140, 5163), (210, 3442), (420, 1721)]