261441960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{5779}}^1$

素因数の和:5835

約数の個数: 128

約数和(自身を含む): 873936000

約数和(自身を除く): 612494040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 29, 30, 39, 40, 52, 58, 60, 65, 78, 87, 104, 116, 120, 130, 145, 156, 174, 195, 232, 260, 290, 312, 348, 377, 390, 435, 520, 580, 696, 754, 780, 870, 1131, 1160, 1508, 1560, 1740, 1885, 2262, 3016, 3480, 3770, 4524, 5655, 5779, 7540, 9048, 11310, 11558, 15080, 17337, 22620, 23116, 28895, 34674, 45240, 46232, 57790, 69348, 75127, 86685, 115580, 138696, 150254, 167591, 173370, 225381, 231160, 300508, 335182, 346740, 375635, 450762, 502773, 601016, 670364, 693480, 751270, 837955, 901524, 1005546, 1126905, 1340728, 1502540, 1675910, 1803048, 2011092, 2178683, 2253810, 2513865, 3005080, 3351820, 4022184, 4357366, 4507620, 5027730, 6536049, 6703640, 8714732, 9015240, 10055460, 10893415, 13072098, 17429464, 20110920, 21786830, 26144196, 32680245, 43573660, 52288392, 65360490, 87147320, 130720980, 261441960]

約数ペア:

[(1, 261441960), (2, 130720980), (3, 87147320), (4, 65360490), (5, 52288392), (6, 43573660), (8, 32680245), (10, 26144196), (12, 21786830), (13, 20110920), (15, 17429464), (20, 13072098), (24, 10893415), (26, 10055460), (29, 9015240), (30, 8714732), (39, 6703640), (40, 6536049), (52, 5027730), (58, 4507620), (60, 4357366), (65, 4022184), (78, 3351820), (87, 3005080), (104, 2513865), (116, 2253810), (120, 2178683), (130, 2011092), (145, 1803048), (156, 1675910), (174, 1502540), (195, 1340728), (232, 1126905), (260, 1005546), (290, 901524), (312, 837955), (348, 751270), (377, 693480), (390, 670364), (435, 601016), (520, 502773), (580, 450762), (696, 375635), (754, 346740), (780, 335182), (870, 300508), (1131, 231160), (1160, 225381), (1508, 173370), (1560, 167591), (1740, 150254), (1885, 138696), (2262, 115580), (3016, 86685), (3480, 75127), (3770, 69348), (4524, 57790), (5655, 46232), (5779, 45240), (7540, 34674), (9048, 28895), (11310, 23116), (11558, 22620), (15080, 17337)]