123608320

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{8779}}^1$

素因数の和:8811

約数の個数: 72

約数和(自身を含む): 323033760

約数和(自身を除く): 199425440

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 7040, 8779, 14080, 17558, 35116, 43895, 70232, 87790, 96569, 140464, 175580, 193138, 280928, 351160, 386276, 482845, 561856, 702320, 772552, 965690, 1123712, 1404640, 1545104, 1931380, 2247424, 2809280, 3090208, 3862760, 5618560, 6180416, 7725520, 11237120, 12360832, 15451040, 24721664, 30902080, 61804160, 123608320]

約数ペア:

[(1, 123608320), (2, 61804160), (4, 30902080), (5, 24721664), (8, 15451040), (10, 12360832), (11, 11237120), (16, 7725520), (20, 6180416), (22, 5618560), (32, 3862760), (40, 3090208), (44, 2809280), (55, 2247424), (64, 1931380), (80, 1545104), (88, 1404640), (110, 1123712), (128, 965690), (160, 772552), (176, 702320), (220, 561856), (256, 482845), (320, 386276), (352, 351160), (440, 280928), (640, 193138), (704, 175580), (880, 140464), (1280, 96569), (1408, 87790), (1760, 70232), (2816, 43895), (3520, 35116), (7040, 17558), (8779, 14080)]