30609920

素因数分解:

$2^9\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1087}}^1$

素因数の和:1121

約数の個数: 80

約数和(自身を含む): 80137728

約数和(自身を除く): 49527808

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, 512, 640, 704, 880, 1087, 1280, 1408, 1760, 2174, 2560, 2816, 3520, 4348, 5435, 5632, 7040, 8696, 10870, 11957, 14080, 17392, 21740, 23914, 28160, 34784, 43480, 47828, 59785, 69568, 86960, 95656, 119570, 139136, 173920, 191312, 239140, 278272, 347840, 382624, 478280, 556544, 695680, 765248, 956560, 1391360, 1530496, 1913120, 2782720, 3060992, 3826240, 6121984, 7652480, 15304960, 30609920]

約数ペア:

[(1, 30609920), (2, 15304960), (4, 7652480), (5, 6121984), (8, 3826240), (10, 3060992), (11, 2782720), (16, 1913120), (20, 1530496), (22, 1391360), (32, 956560), (40, 765248), (44, 695680), (55, 556544), (64, 478280), (80, 382624), (88, 347840), (110, 278272), (128, 239140), (160, 191312), (176, 173920), (220, 139136), (256, 119570), (320, 95656), (352, 86960), (440, 69568), (512, 59785), (640, 47828), (704, 43480), (880, 34784), (1087, 28160), (1280, 23914), (1408, 21740), (1760, 17392), (2174, 14080), (2560, 11957), (2816, 10870), (3520, 8696), (4348, 7040), (5435, 5632)]