1515312640

素因数分解:

$2^9\times 5^1\times {\mathrm{29}}^1\times {\mathrm{20411}}^1$

素因数の和:20463

約数の個数: 80

約数和(自身を含む): 3758665680

約数和(自身を除く): 2243353040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 256, 290, 320, 464, 512, 580, 640, 928, 1160, 1280, 1856, 2320, 2560, 3712, 4640, 7424, 9280, 14848, 18560, 20411, 37120, 40822, 74240, 81644, 102055, 163288, 204110, 326576, 408220, 591919, 653152, 816440, 1183838, 1306304, 1632880, 2367676, 2612608, 2959595, 3265760, 4735352, 5225216, 5919190, 6531520, 9470704, 10450432, 11838380, 13063040, 18941408, 23676760, 26126080, 37882816, 47353520, 52252160, 75765632, 94707040, 151531264, 189414080, 303062528, 378828160, 757656320, 1515312640]

約数ペア:

[(1, 1515312640), (2, 757656320), (4, 378828160), (5, 303062528), (8, 189414080), (10, 151531264), (16, 94707040), (20, 75765632), (29, 52252160), (32, 47353520), (40, 37882816), (58, 26126080), (64, 23676760), (80, 18941408), (116, 13063040), (128, 11838380), (145, 10450432), (160, 9470704), (232, 6531520), (256, 5919190), (290, 5225216), (320, 4735352), (464, 3265760), (512, 2959595), (580, 2612608), (640, 2367676), (928, 1632880), (1160, 1306304), (1280, 1183838), (1856, 816440), (2320, 653152), (2560, 591919), (3712, 408220), (4640, 326576), (7424, 204110), (9280, 163288), (14848, 102055), (18560, 81644), (20411, 74240), (37120, 40822)]