1680727580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{1663}}^1\times {\mathrm{7219}}^1$

素因数の和:8898

約数の個数: 48

約数和(自身を含む): 4036730880

約数和(自身を除く): 2356003300

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 1663, 3326, 6652, 7219, 8315, 11641, 14438, 16630, 23282, 28876, 33260, 36095, 46564, 50533, 58205, 72190, 101066, 116410, 144380, 202132, 232820, 252665, 505330, 1010660, 12005197, 24010394, 48020788, 60025985, 84036379, 120051970, 168072758, 240103940, 336145516, 420181895, 840363790, 1680727580]

約数ペア:

[(1, 1680727580), (2, 840363790), (4, 420181895), (5, 336145516), (7, 240103940), (10, 168072758), (14, 120051970), (20, 84036379), (28, 60025985), (35, 48020788), (70, 24010394), (140, 12005197), (1663, 1010660), (3326, 505330), (6652, 252665), (7219, 232820), (8315, 202132), (11641, 144380), (14438, 116410), (16630, 101066), (23282, 72190), (28876, 58205), (33260, 50533), (36095, 46564)]