72308720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{647}}^1$

素因数の和:798

約数の個数: 80

約数和(自身を含む): 185131008

約数和(自身を除く): 112822288

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 127, 176, 220, 254, 440, 508, 635, 647, 880, 1016, 1270, 1294, 1397, 2032, 2540, 2588, 2794, 3235, 5080, 5176, 5588, 6470, 6985, 7117, 10160, 10352, 11176, 12940, 13970, 14234, 22352, 25880, 27940, 28468, 35585, 51760, 55880, 56936, 71170, 82169, 111760, 113872, 142340, 164338, 284680, 328676, 410845, 569360, 657352, 821690, 903859, 1314704, 1643380, 1807718, 3286760, 3615436, 4519295, 6573520, 7230872, 9038590, 14461744, 18077180, 36154360, 72308720]

約数ペア:

[(1, 72308720), (2, 36154360), (4, 18077180), (5, 14461744), (8, 9038590), (10, 7230872), (11, 6573520), (16, 4519295), (20, 3615436), (22, 3286760), (40, 1807718), (44, 1643380), (55, 1314704), (80, 903859), (88, 821690), (110, 657352), (127, 569360), (176, 410845), (220, 328676), (254, 284680), (440, 164338), (508, 142340), (635, 113872), (647, 111760), (880, 82169), (1016, 71170), (1270, 56936), (1294, 55880), (1397, 51760), (2032, 35585), (2540, 28468), (2588, 27940), (2794, 25880), (3235, 22352), (5080, 14234), (5176, 13970), (5588, 12940), (6470, 11176), (6985, 10352), (7117, 10160)]