30280640

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{251}}^1$

素因数の和:310

約数の個数: 112

約数和(自身を含む): 80650080

約数和(自身を除く): 50369440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 29, 32, 40, 52, 58, 64, 65, 80, 104, 116, 130, 145, 160, 208, 232, 251, 260, 290, 320, 377, 416, 464, 502, 520, 580, 754, 832, 928, 1004, 1040, 1160, 1255, 1508, 1856, 1885, 2008, 2080, 2320, 2510, 3016, 3263, 3770, 4016, 4160, 4640, 5020, 6032, 6526, 7279, 7540, 8032, 9280, 10040, 12064, 13052, 14558, 15080, 16064, 16315, 20080, 24128, 26104, 29116, 30160, 32630, 36395, 40160, 52208, 58232, 60320, 65260, 72790, 80320, 94627, 104416, 116464, 120640, 130520, 145580, 189254, 208832, 232928, 261040, 291160, 378508, 465856, 473135, 522080, 582320, 757016, 946270, 1044160, 1164640, 1514032, 1892540, 2329280, 3028064, 3785080, 6056128, 7570160, 15140320, 30280640]

約数ペア:

[(1, 30280640), (2, 15140320), (4, 7570160), (5, 6056128), (8, 3785080), (10, 3028064), (13, 2329280), (16, 1892540), (20, 1514032), (26, 1164640), (29, 1044160), (32, 946270), (40, 757016), (52, 582320), (58, 522080), (64, 473135), (65, 465856), (80, 378508), (104, 291160), (116, 261040), (130, 232928), (145, 208832), (160, 189254), (208, 145580), (232, 130520), (251, 120640), (260, 116464), (290, 104416), (320, 94627), (377, 80320), (416, 72790), (464, 65260), (502, 60320), (520, 58232), (580, 52208), (754, 40160), (832, 36395), (928, 32630), (1004, 30160), (1040, 29116), (1160, 26104), (1255, 24128), (1508, 20080), (1856, 16315), (1885, 16064), (2008, 15080), (2080, 14558), (2320, 13052), (2510, 12064), (3016, 10040), (3263, 9280), (3770, 8032), (4016, 7540), (4160, 7279), (4640, 6526), (5020, 6032)]