15987840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{757}}^1$

素因数の和:790

約数の個数: 128

約数和(自身を含む): 55667520

約数和(自身を除く): 39679680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 264, 320, 330, 352, 384, 440, 480, 528, 640, 660, 704, 757, 880, 960, 1056, 1320, 1408, 1514, 1760, 1920, 2112, 2271, 2640, 3028, 3520, 3785, 4224, 4542, 5280, 6056, 7040, 7570, 8327, 9084, 10560, 11355, 12112, 15140, 16654, 18168, 21120, 22710, 24224, 24981, 30280, 33308, 36336, 41635, 45420, 48448, 49962, 60560, 66616, 72672, 83270, 90840, 96896, 99924, 121120, 124905, 133232, 145344, 166540, 181680, 199848, 242240, 249810, 266464, 290688, 333080, 363360, 399696, 484480, 499620, 532928, 666160, 726720, 799392, 999240, 1065856, 1332320, 1453440, 1598784, 1998480, 2664640, 3197568, 3996960, 5329280, 7993920, 15987840]

約数ペア:

[(1, 15987840), (2, 7993920), (3, 5329280), (4, 3996960), (5, 3197568), (6, 2664640), (8, 1998480), (10, 1598784), (11, 1453440), (12, 1332320), (15, 1065856), (16, 999240), (20, 799392), (22, 726720), (24, 666160), (30, 532928), (32, 499620), (33, 484480), (40, 399696), (44, 363360), (48, 333080), (55, 290688), (60, 266464), (64, 249810), (66, 242240), (80, 199848), (88, 181680), (96, 166540), (110, 145344), (120, 133232), (128, 124905), (132, 121120), (160, 99924), (165, 96896), (176, 90840), (192, 83270), (220, 72672), (240, 66616), (264, 60560), (320, 49962), (330, 48448), (352, 45420), (384, 41635), (440, 36336), (480, 33308), (528, 30280), (640, 24981), (660, 24224), (704, 22710), (757, 21120), (880, 18168), (960, 16654), (1056, 15140), (1320, 12112), (1408, 11355), (1514, 10560), (1760, 9084), (1920, 8327), (2112, 7570), (2271, 7040), (2640, 6056), (3028, 5280), (3520, 4542), (3785, 4224)]