1520685920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{491}}^1\times {\mathrm{1489}}^1$

素因数の和:2008

約数の個数: 96

約数和(自身を含む): 3879459360

約数和(自身を除く): 2358773440

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 491, 520, 982, 1040, 1489, 1964, 2080, 2455, 2978, 3928, 4910, 5956, 6383, 7445, 7856, 9820, 11912, 12766, 14890, 15712, 19357, 19640, 23824, 25532, 29780, 31915, 38714, 39280, 47648, 51064, 59560, 63830, 77428, 78560, 96785, 102128, 119120, 127660, 154856, 193570, 204256, 238240, 255320, 309712, 387140, 510640, 619424, 731099, 774280, 1021280, 1462198, 1548560, 2924396, 3097120, 3655495, 5848792, 7310990, 9504287, 11697584, 14621980, 19008574, 23395168, 29243960, 38017148, 47521435, 58487920, 76034296, 95042870, 116975840, 152068592, 190085740, 304137184, 380171480, 760342960, 1520685920]

約数ペア:

[(1, 1520685920), (2, 760342960), (4, 380171480), (5, 304137184), (8, 190085740), (10, 152068592), (13, 116975840), (16, 95042870), (20, 76034296), (26, 58487920), (32, 47521435), (40, 38017148), (52, 29243960), (65, 23395168), (80, 19008574), (104, 14621980), (130, 11697584), (160, 9504287), (208, 7310990), (260, 5848792), (416, 3655495), (491, 3097120), (520, 2924396), (982, 1548560), (1040, 1462198), (1489, 1021280), (1964, 774280), (2080, 731099), (2455, 619424), (2978, 510640), (3928, 387140), (4910, 309712), (5956, 255320), (6383, 238240), (7445, 204256), (7856, 193570), (9820, 154856), (11912, 127660), (12766, 119120), (14890, 102128), (15712, 96785), (19357, 78560), (19640, 77428), (23824, 63830), (25532, 59560), (29780, 51064), (31915, 47648), (38714, 39280)]