1668620940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1663}}^1\times {\mathrm{2389}}^1$

素因数の和:4071

約数の個数: 96

約数和(自身を含む): 5345034240

約数和(自身を除く): 3676413300

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, 1663, 2389, 3326, 4778, 4989, 6652, 7167, 8315, 9556, 9978, 11641, 11945, 14334, 16630, 16723, 19956, 23282, 23890, 24945, 28668, 33260, 33446, 34923, 35835, 46564, 47780, 49890, 50169, 58205, 66892, 69846, 71670, 83615, 99780, 100338, 116410, 139692, 143340, 167230, 174615, 200676, 232820, 250845, 334460, 349230, 501690, 698460, 1003380, 3972907, 7945814, 11918721, 15891628, 19864535, 23837442, 27810349, 39729070, 47674884, 55620698, 59593605, 79458140, 83431047, 111241396, 119187210, 139051745, 166862094, 238374420, 278103490, 333724188, 417155235, 556206980, 834310470, 1668620940]

約数ペア:

[(1, 1668620940), (2, 834310470), (3, 556206980), (4, 417155235), (5, 333724188), (6, 278103490), (7, 238374420), (10, 166862094), (12, 139051745), (14, 119187210), (15, 111241396), (20, 83431047), (21, 79458140), (28, 59593605), (30, 55620698), (35, 47674884), (42, 39729070), (60, 27810349), (70, 23837442), (84, 19864535), (105, 15891628), (140, 11918721), (210, 7945814), (420, 3972907), (1663, 1003380), (2389, 698460), (3326, 501690), (4778, 349230), (4989, 334460), (6652, 250845), (7167, 232820), (8315, 200676), (9556, 174615), (9978, 167230), (11641, 143340), (11945, 139692), (14334, 116410), (16630, 100338), (16723, 99780), (19956, 83615), (23282, 71670), (23890, 69846), (24945, 66892), (28668, 58205), (33260, 50169), (33446, 49890), (34923, 47780), (35835, 46564)]