89716880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{269}}^1\times {\mathrm{379}}^1$

素因数の和:672

約数の個数: 80

約数和(自身を含む): 229003200

約数和(自身を除く): 139286320

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 269, 379, 440, 538, 758, 880, 1076, 1345, 1516, 1895, 2152, 2690, 2959, 3032, 3790, 4169, 4304, 5380, 5918, 6064, 7580, 8338, 10760, 11836, 14795, 15160, 16676, 20845, 21520, 23672, 29590, 30320, 33352, 41690, 47344, 59180, 66704, 83380, 101951, 118360, 166760, 203902, 236720, 333520, 407804, 509755, 815608, 1019510, 1121461, 1631216, 2039020, 2242922, 4078040, 4485844, 5607305, 8156080, 8971688, 11214610, 17943376, 22429220, 44858440, 89716880]

約数ペア:

[(1, 89716880), (2, 44858440), (4, 22429220), (5, 17943376), (8, 11214610), (10, 8971688), (11, 8156080), (16, 5607305), (20, 4485844), (22, 4078040), (40, 2242922), (44, 2039020), (55, 1631216), (80, 1121461), (88, 1019510), (110, 815608), (176, 509755), (220, 407804), (269, 333520), (379, 236720), (440, 203902), (538, 166760), (758, 118360), (880, 101951), (1076, 83380), (1345, 66704), (1516, 59180), (1895, 47344), (2152, 41690), (2690, 33352), (2959, 30320), (3032, 29590), (3790, 23672), (4169, 21520), (4304, 20845), (5380, 16676), (5918, 15160), (6064, 14795), (7580, 11836), (8338, 10760)]