16128640

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:138

約数の個数: 128

約数和(自身を含む): 44064000

約数和(自身を除く): 27935360

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 29, 32, 40, 44, 55, 58, 64, 79, 80, 88, 110, 116, 128, 145, 158, 160, 176, 220, 232, 290, 316, 319, 320, 352, 395, 440, 464, 580, 632, 638, 640, 704, 790, 869, 880, 928, 1160, 1264, 1276, 1408, 1580, 1595, 1738, 1760, 1856, 2291, 2320, 2528, 2552, 3160, 3190, 3476, 3520, 3712, 4345, 4582, 4640, 5056, 5104, 6320, 6380, 6952, 7040, 8690, 9164, 9280, 10112, 10208, 11455, 12640, 12760, 13904, 17380, 18328, 18560, 20416, 22910, 25201, 25280, 25520, 27808, 34760, 36656, 40832, 45820, 50402, 50560, 51040, 55616, 69520, 73312, 91640, 100804, 102080, 111232, 126005, 139040, 146624, 183280, 201608, 204160, 252010, 278080, 293248, 366560, 403216, 504020, 556160, 733120, 806432, 1008040, 1466240, 1612864, 2016080, 3225728, 4032160, 8064320, 16128640]

約数ペア:

[(1, 16128640), (2, 8064320), (4, 4032160), (5, 3225728), (8, 2016080), (10, 1612864), (11, 1466240), (16, 1008040), (20, 806432), (22, 733120), (29, 556160), (32, 504020), (40, 403216), (44, 366560), (55, 293248), (58, 278080), (64, 252010), (79, 204160), (80, 201608), (88, 183280), (110, 146624), (116, 139040), (128, 126005), (145, 111232), (158, 102080), (160, 100804), (176, 91640), (220, 73312), (232, 69520), (290, 55616), (316, 51040), (319, 50560), (320, 50402), (352, 45820), (395, 40832), (440, 36656), (464, 34760), (580, 27808), (632, 25520), (638, 25280), (640, 25201), (704, 22910), (790, 20416), (869, 18560), (880, 18328), (928, 17380), (1160, 13904), (1264, 12760), (1276, 12640), (1408, 11455), (1580, 10208), (1595, 10112), (1738, 9280), (1760, 9164), (1856, 8690), (2291, 7040), (2320, 6952), (2528, 6380), (2552, 6320), (3160, 5104), (3190, 5056), (3476, 4640), (3520, 4582), (3712, 4345)]