861264960

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{2131}}^1$

素因数の和:2572

約数の個数: 112

約数和(自身を含む): 2742297792

約数和(自身を除く): 1881032832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 421, 480, 842, 960, 1263, 1684, 2105, 2131, 2526, 3368, 4210, 4262, 5052, 6315, 6393, 6736, 8420, 8524, 10104, 10655, 12630, 12786, 13472, 16840, 17048, 20208, 21310, 25260, 25572, 26944, 31965, 33680, 34096, 40416, 42620, 50520, 51144, 63930, 67360, 68192, 80832, 85240, 101040, 102288, 127860, 134720, 136384, 170480, 202080, 204576, 255720, 340960, 404160, 409152, 511440, 681920, 897151, 1022880, 1794302, 2045760, 2691453, 3588604, 4485755, 5382906, 7177208, 8971510, 10765812, 13457265, 14354416, 17943020, 21531624, 26914530, 28708832, 35886040, 43063248, 53829060, 57417664, 71772080, 86126496, 107658120, 143544160, 172252992, 215316240, 287088320, 430632480, 861264960]

約数ペア:

[(1, 861264960), (2, 430632480), (3, 287088320), (4, 215316240), (5, 172252992), (6, 143544160), (8, 107658120), (10, 86126496), (12, 71772080), (15, 57417664), (16, 53829060), (20, 43063248), (24, 35886040), (30, 28708832), (32, 26914530), (40, 21531624), (48, 17943020), (60, 14354416), (64, 13457265), (80, 10765812), (96, 8971510), (120, 7177208), (160, 5382906), (192, 4485755), (240, 3588604), (320, 2691453), (421, 2045760), (480, 1794302), (842, 1022880), (960, 897151), (1263, 681920), (1684, 511440), (2105, 409152), (2131, 404160), (2526, 340960), (3368, 255720), (4210, 204576), (4262, 202080), (5052, 170480), (6315, 136384), (6393, 134720), (6736, 127860), (8420, 102288), (8524, 101040), (10104, 85240), (10655, 80832), (12630, 68192), (12786, 67360), (13472, 63930), (16840, 51144), (17048, 50520), (20208, 42620), (21310, 40416), (25260, 34096), (25572, 33680), (26944, 31965)]