77816320

素因数分解:

$2^9\times 5^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1$

素因数の和:405

約数の個数: 80

約数和(自身を含む): 188927640

約数和(自身を除く): 111111320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 113, 128, 160, 226, 256, 269, 320, 452, 512, 538, 565, 640, 904, 1076, 1130, 1280, 1345, 1808, 2152, 2260, 2560, 2690, 3616, 4304, 4520, 5380, 7232, 8608, 9040, 10760, 14464, 17216, 18080, 21520, 28928, 30397, 34432, 36160, 43040, 57856, 60794, 68864, 72320, 86080, 121588, 137728, 144640, 151985, 172160, 243176, 289280, 303970, 344320, 486352, 607940, 688640, 972704, 1215880, 1945408, 2431760, 3890816, 4863520, 7781632, 9727040, 15563264, 19454080, 38908160, 77816320]

約数ペア:

[(1, 77816320), (2, 38908160), (4, 19454080), (5, 15563264), (8, 9727040), (10, 7781632), (16, 4863520), (20, 3890816), (32, 2431760), (40, 1945408), (64, 1215880), (80, 972704), (113, 688640), (128, 607940), (160, 486352), (226, 344320), (256, 303970), (269, 289280), (320, 243176), (452, 172160), (512, 151985), (538, 144640), (565, 137728), (640, 121588), (904, 86080), (1076, 72320), (1130, 68864), (1280, 60794), (1345, 57856), (1808, 43040), (2152, 36160), (2260, 34432), (2560, 30397), (2690, 28928), (3616, 21520), (4304, 18080), (4520, 17216), (5380, 14464), (7232, 10760), (8608, 9040)]