128551920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{76519}}^1$

素因数の和:76542

約数の個数: 80

約数和(自身を含む): 455447040

約数和(自身を除く): 326895120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 76519, 153038, 229557, 306076, 382595, 459114, 535633, 612152, 765190, 918228, 1071266, 1147785, 1224304, 1530380, 1606899, 1836456, 2142532, 2295570, 2678165, 3060760, 3213798, 3672912, 4285064, 4591140, 5356330, 6121520, 6427596, 8034495, 8570128, 9182280, 10712660, 12855192, 16068990, 18364560, 21425320, 25710384, 32137980, 42850640, 64275960, 128551920]

約数ペア:

[(1, 128551920), (2, 64275960), (3, 42850640), (4, 32137980), (5, 25710384), (6, 21425320), (7, 18364560), (8, 16068990), (10, 12855192), (12, 10712660), (14, 9182280), (15, 8570128), (16, 8034495), (20, 6427596), (21, 6121520), (24, 5356330), (28, 4591140), (30, 4285064), (35, 3672912), (40, 3213798), (42, 3060760), (48, 2678165), (56, 2295570), (60, 2142532), (70, 1836456), (80, 1606899), (84, 1530380), (105, 1224304), (112, 1147785), (120, 1071266), (140, 918228), (168, 765190), (210, 612152), (240, 535633), (280, 459114), (336, 382595), (420, 306076), (560, 229557), (840, 153038), (1680, 76519)]