721298640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{6121}}^1$

素因数の和:6628

約数の個数: 80

約数和(自身を含む): 2240945856

約数和(自身を除く): 1519647216

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 491, 982, 1473, 1964, 2455, 2946, 3928, 4910, 5892, 6121, 7365, 7856, 9820, 11784, 12242, 14730, 18363, 19640, 23568, 24484, 29460, 30605, 36726, 39280, 48968, 58920, 61210, 73452, 91815, 97936, 117840, 122420, 146904, 183630, 244840, 293808, 367260, 489680, 734520, 1469040, 3005411, 6010822, 9016233, 12021644, 15027055, 18032466, 24043288, 30054110, 36064932, 45081165, 48086576, 60108220, 72129864, 90162330, 120216440, 144259728, 180324660, 240432880, 360649320, 721298640]

約数ペア:

[(1, 721298640), (2, 360649320), (3, 240432880), (4, 180324660), (5, 144259728), (6, 120216440), (8, 90162330), (10, 72129864), (12, 60108220), (15, 48086576), (16, 45081165), (20, 36064932), (24, 30054110), (30, 24043288), (40, 18032466), (48, 15027055), (60, 12021644), (80, 9016233), (120, 6010822), (240, 3005411), (491, 1469040), (982, 734520), (1473, 489680), (1964, 367260), (2455, 293808), (2946, 244840), (3928, 183630), (4910, 146904), (5892, 122420), (6121, 117840), (7365, 97936), (7856, 91815), (9820, 73452), (11784, 61210), (12242, 58920), (14730, 48968), (18363, 39280), (19640, 36726), (23568, 30605), (24484, 29460)]