1779775640

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{239}}^1\times {\mathrm{2243}}^1$

素因数の和:2576

約数の個数: 64

約数和(自身を含む): 4071513600

約数和(自身を除く): 2291737960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 239, 332, 415, 478, 664, 830, 956, 1195, 1660, 1912, 2243, 2390, 3320, 4486, 4780, 8972, 9560, 11215, 17944, 19837, 22430, 39674, 44860, 79348, 89720, 99185, 158696, 186169, 198370, 372338, 396740, 536077, 744676, 793480, 930845, 1072154, 1489352, 1861690, 2144308, 2680385, 3723380, 4288616, 5360770, 7446760, 10721540, 21443080, 44494391, 88988782, 177977564, 222471955, 355955128, 444943910, 889887820, 1779775640]

約数ペア:

[(1, 1779775640), (2, 889887820), (4, 444943910), (5, 355955128), (8, 222471955), (10, 177977564), (20, 88988782), (40, 44494391), (83, 21443080), (166, 10721540), (239, 7446760), (332, 5360770), (415, 4288616), (478, 3723380), (664, 2680385), (830, 2144308), (956, 1861690), (1195, 1489352), (1660, 1072154), (1912, 930845), (2243, 793480), (2390, 744676), (3320, 536077), (4486, 396740), (4780, 372338), (8972, 198370), (9560, 186169), (11215, 158696), (17944, 99185), (19837, 89720), (22430, 79348), (39674, 44860)]