66870760

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{379}}^1\times {\mathrm{401}}^1$

素因数の和:802

約数の個数: 64

約数和(自身を含む): 164980800

約数和(自身を除く): 98110040

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 379, 401, 440, 758, 802, 1516, 1604, 1895, 2005, 3032, 3208, 3790, 4010, 4169, 4411, 7580, 8020, 8338, 8822, 15160, 16040, 16676, 17644, 20845, 22055, 33352, 35288, 41690, 44110, 83380, 88220, 151979, 166760, 176440, 303958, 607916, 759895, 1215832, 1519790, 1671769, 3039580, 3343538, 6079160, 6687076, 8358845, 13374152, 16717690, 33435380, 66870760]

約数ペア:

[(1, 66870760), (2, 33435380), (4, 16717690), (5, 13374152), (8, 8358845), (10, 6687076), (11, 6079160), (20, 3343538), (22, 3039580), (40, 1671769), (44, 1519790), (55, 1215832), (88, 759895), (110, 607916), (220, 303958), (379, 176440), (401, 166760), (440, 151979), (758, 88220), (802, 83380), (1516, 44110), (1604, 41690), (1895, 35288), (2005, 33352), (3032, 22055), (3208, 20845), (3790, 17644), (4010, 16676), (4169, 16040), (4411, 15160), (7580, 8822), (8020, 8338)]