80748760

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{151}}^1\times {\mathrm{461}}^1$

素因数の和:652

約数の個数: 64

約数和(自身を含む): 189604800

約数和(自身を除く): 108856040

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 151, 232, 290, 302, 461, 580, 604, 755, 922, 1160, 1208, 1510, 1844, 2305, 3020, 3688, 4379, 4610, 6040, 8758, 9220, 13369, 17516, 18440, 21895, 26738, 35032, 43790, 53476, 66845, 69611, 87580, 106952, 133690, 139222, 175160, 267380, 278444, 348055, 534760, 556888, 696110, 1392220, 2018719, 2784440, 4037438, 8074876, 10093595, 16149752, 20187190, 40374380, 80748760]

約数ペア:

[(1, 80748760), (2, 40374380), (4, 20187190), (5, 16149752), (8, 10093595), (10, 8074876), (20, 4037438), (29, 2784440), (40, 2018719), (58, 1392220), (116, 696110), (145, 556888), (151, 534760), (232, 348055), (290, 278444), (302, 267380), (461, 175160), (580, 139222), (604, 133690), (755, 106952), (922, 87580), (1160, 69611), (1208, 66845), (1510, 53476), (1844, 43790), (2305, 35032), (3020, 26738), (3688, 21895), (4379, 18440), (4610, 17516), (6040, 13369), (8758, 9220)]