123464560

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{787}}^1$

素因数の和:890

約数の個数: 80

約数和(自身を含む): 300757536

約数和(自身を除く): 177292976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 53, 74, 80, 106, 148, 185, 212, 265, 296, 370, 424, 530, 592, 740, 787, 848, 1060, 1480, 1574, 1961, 2120, 2960, 3148, 3922, 3935, 4240, 6296, 7844, 7870, 9805, 12592, 15688, 15740, 19610, 29119, 31376, 31480, 39220, 41711, 58238, 62960, 78440, 83422, 116476, 145595, 156880, 166844, 208555, 232952, 291190, 333688, 417110, 465904, 582380, 667376, 834220, 1164760, 1543307, 1668440, 2329520, 3086614, 3336880, 6173228, 7716535, 12346456, 15433070, 24692912, 30866140, 61732280, 123464560]

約数ペア:

[(1, 123464560), (2, 61732280), (4, 30866140), (5, 24692912), (8, 15433070), (10, 12346456), (16, 7716535), (20, 6173228), (37, 3336880), (40, 3086614), (53, 2329520), (74, 1668440), (80, 1543307), (106, 1164760), (148, 834220), (185, 667376), (212, 582380), (265, 465904), (296, 417110), (370, 333688), (424, 291190), (530, 232952), (592, 208555), (740, 166844), (787, 156880), (848, 145595), (1060, 116476), (1480, 83422), (1574, 78440), (1961, 62960), (2120, 58238), (2960, 41711), (3148, 39220), (3922, 31480), (3935, 31376), (4240, 29119), (6296, 19610), (7844, 15740), (7870, 15688), (9805, 12592)]