72104440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{1019}}^1$

素因数の和:1120

約数の個数: 64

約数和(自身を含む): 170748000

約数和(自身を除く): 98643560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 61, 116, 122, 145, 232, 244, 290, 305, 488, 580, 610, 1019, 1160, 1220, 1769, 2038, 2440, 3538, 4076, 5095, 7076, 8152, 8845, 10190, 14152, 17690, 20380, 29551, 35380, 40760, 59102, 62159, 70760, 118204, 124318, 147755, 236408, 248636, 295510, 310795, 497272, 591020, 621590, 1182040, 1243180, 1802611, 2486360, 3605222, 7210444, 9013055, 14420888, 18026110, 36052220, 72104440]

約数ペア:

[(1, 72104440), (2, 36052220), (4, 18026110), (5, 14420888), (8, 9013055), (10, 7210444), (20, 3605222), (29, 2486360), (40, 1802611), (58, 1243180), (61, 1182040), (116, 621590), (122, 591020), (145, 497272), (232, 310795), (244, 295510), (290, 248636), (305, 236408), (488, 147755), (580, 124318), (610, 118204), (1019, 70760), (1160, 62159), (1220, 59102), (1769, 40760), (2038, 35380), (2440, 29551), (3538, 20380), (4076, 17690), (5095, 14152), (7076, 10190), (8152, 8845)]