90663760

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{383}}^1$

素因数の和:676

約数の個数: 80

約数和(自身を含む): 231413760

約数和(自身を除く): 140750000

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 269, 383, 440, 538, 766, 880, 1076, 1345, 1532, 1915, 2152, 2690, 2959, 3064, 3830, 4213, 4304, 5380, 5918, 6128, 7660, 8426, 10760, 11836, 14795, 15320, 16852, 21065, 21520, 23672, 29590, 30640, 33704, 42130, 47344, 59180, 67408, 84260, 103027, 118360, 168520, 206054, 236720, 337040, 412108, 515135, 824216, 1030270, 1133297, 1648432, 2060540, 2266594, 4121080, 4533188, 5666485, 8242160, 9066376, 11332970, 18132752, 22665940, 45331880, 90663760]

約数ペア:

[(1, 90663760), (2, 45331880), (4, 22665940), (5, 18132752), (8, 11332970), (10, 9066376), (11, 8242160), (16, 5666485), (20, 4533188), (22, 4121080), (40, 2266594), (44, 2060540), (55, 1648432), (80, 1133297), (88, 1030270), (110, 824216), (176, 515135), (220, 412108), (269, 337040), (383, 236720), (440, 206054), (538, 168520), (766, 118360), (880, 103027), (1076, 84260), (1345, 67408), (1532, 59180), (1915, 47344), (2152, 42130), (2690, 33704), (2959, 30640), (3064, 29590), (3830, 23672), (4213, 21520), (4304, 21065), (5380, 16852), (5918, 15320), (6128, 14795), (7660, 11836), (8426, 10760)]