2091880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 5575680

約数和(自身を除く): 3483800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 241, 248, 280, 310, 434, 482, 620, 868, 964, 1085, 1205, 1240, 1687, 1736, 1928, 2170, 2410, 3374, 4340, 4820, 6748, 7471, 8435, 8680, 9640, 13496, 14942, 16870, 29884, 33740, 37355, 52297, 59768, 67480, 74710, 104594, 149420, 209188, 261485, 298840, 418376, 522970, 1045940, 2091880]

約数ペア:

[(1, 2091880), (2, 1045940), (4, 522970), (5, 418376), (7, 298840), (8, 261485), (10, 209188), (14, 149420), (20, 104594), (28, 74710), (31, 67480), (35, 59768), (40, 52297), (56, 37355), (62, 33740), (70, 29884), (124, 16870), (140, 14942), (155, 13496), (217, 9640), (241, 8680), (248, 8435), (280, 7471), (310, 6748), (434, 4820), (482, 4340), (620, 3374), (868, 2410), (964, 2170), (1085, 1928), (1205, 1736), (1240, 1687)]