179390720

素因数分解:

$2^8\times 5^1\times {\mathrm{269}}^1\times {\mathrm{521}}^1$

素因数の和:811

約数の個数: 72

約数和(自身を含む): 432122040

約数和(自身を除く): 252731320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 269, 320, 521, 538, 640, 1042, 1076, 1280, 1345, 2084, 2152, 2605, 2690, 4168, 4304, 5210, 5380, 8336, 8608, 10420, 10760, 16672, 17216, 20840, 21520, 33344, 34432, 41680, 43040, 66688, 68864, 83360, 86080, 133376, 140149, 166720, 172160, 280298, 333440, 344320, 560596, 666880, 700745, 1121192, 1401490, 2242384, 2802980, 4484768, 5605960, 8969536, 11211920, 17939072, 22423840, 35878144, 44847680, 89695360, 179390720]

約数ペア:

[(1, 179390720), (2, 89695360), (4, 44847680), (5, 35878144), (8, 22423840), (10, 17939072), (16, 11211920), (20, 8969536), (32, 5605960), (40, 4484768), (64, 2802980), (80, 2242384), (128, 1401490), (160, 1121192), (256, 700745), (269, 666880), (320, 560596), (521, 344320), (538, 333440), (640, 280298), (1042, 172160), (1076, 166720), (1280, 140149), (1345, 133376), (2084, 86080), (2152, 83360), (2605, 68864), (2690, 66688), (4168, 43040), (4304, 41680), (5210, 34432), (5380, 33344), (8336, 21520), (8608, 20840), (10420, 17216), (10760, 16672)]