1640987070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{677}}^1\times {\mathrm{1879}}^1$

素因数の和:2609

約数の個数: 64

約数和(自身を含む): 4038059520

約数和(自身を除く): 2397072450

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 43, 86, 129, 215, 258, 430, 645, 677, 1290, 1354, 1879, 2031, 3385, 3758, 4062, 5637, 6770, 9395, 10155, 11274, 18790, 20310, 28185, 29111, 56370, 58222, 80797, 87333, 145555, 161594, 174666, 242391, 291110, 403985, 436665, 484782, 807970, 873330, 1211955, 1272083, 2423910, 2544166, 3816249, 6360415, 7632498, 12720830, 19081245, 38162490, 54699569, 109399138, 164098707, 273497845, 328197414, 546995690, 820493535, 1640987070]

約数ペア:

[(1, 1640987070), (2, 820493535), (3, 546995690), (5, 328197414), (6, 273497845), (10, 164098707), (15, 109399138), (30, 54699569), (43, 38162490), (86, 19081245), (129, 12720830), (215, 7632498), (258, 6360415), (430, 3816249), (645, 2544166), (677, 2423910), (1290, 1272083), (1354, 1211955), (1879, 873330), (2031, 807970), (3385, 484782), (3758, 436665), (4062, 403985), (5637, 291110), (6770, 242391), (9395, 174666), (10155, 161594), (11274, 145555), (18790, 87333), (20310, 80797), (28185, 58222), (29111, 56370)]