261919320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{443}}^1$

素因数の和:849

約数の個数: 128

約数和(自身を含む): 850348800

約数和(自身を除く): 588429480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 379, 390, 443, 520, 758, 780, 886, 1137, 1329, 1516, 1560, 1772, 1895, 2215, 2274, 2658, 3032, 3544, 3790, 4430, 4548, 4927, 5316, 5685, 5759, 6645, 7580, 8860, 9096, 9854, 10632, 11370, 11518, 13290, 14781, 15160, 17277, 17720, 19708, 22740, 23036, 24635, 26580, 28795, 29562, 34554, 39416, 45480, 46072, 49270, 53160, 57590, 59124, 69108, 73905, 86385, 98540, 115180, 118248, 138216, 147810, 167897, 172770, 197080, 230360, 295620, 335794, 345540, 503691, 591240, 671588, 691080, 839485, 1007382, 1343176, 1678970, 2014764, 2182661, 2518455, 3357940, 4029528, 4365322, 5036910, 6547983, 6715880, 8730644, 10073820, 10913305, 13095966, 17461288, 20147640, 21826610, 26191932, 32739915, 43653220, 52383864, 65479830, 87306440, 130959660, 261919320]

約数ペア:

[(1, 261919320), (2, 130959660), (3, 87306440), (4, 65479830), (5, 52383864), (6, 43653220), (8, 32739915), (10, 26191932), (12, 21826610), (13, 20147640), (15, 17461288), (20, 13095966), (24, 10913305), (26, 10073820), (30, 8730644), (39, 6715880), (40, 6547983), (52, 5036910), (60, 4365322), (65, 4029528), (78, 3357940), (104, 2518455), (120, 2182661), (130, 2014764), (156, 1678970), (195, 1343176), (260, 1007382), (312, 839485), (379, 691080), (390, 671588), (443, 591240), (520, 503691), (758, 345540), (780, 335794), (886, 295620), (1137, 230360), (1329, 197080), (1516, 172770), (1560, 167897), (1772, 147810), (1895, 138216), (2215, 118248), (2274, 115180), (2658, 98540), (3032, 86385), (3544, 73905), (3790, 69108), (4430, 59124), (4548, 57590), (4927, 53160), (5316, 49270), (5685, 46072), (5759, 45480), (6645, 39416), (7580, 34554), (8860, 29562), (9096, 28795), (9854, 26580), (10632, 24635), (11370, 23036), (11518, 22740), (13290, 19708), (14781, 17720), (15160, 17277)]