123291560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{1567}}^1$

素因数の和:1866

約数の個数: 64

約数和(自身を含む): 318366720

約数和(自身を除く): 195075160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 281, 562, 1124, 1405, 1567, 1967, 2248, 2810, 3134, 3934, 5620, 6268, 7835, 7868, 9835, 10969, 11240, 12536, 15670, 15736, 19670, 21938, 31340, 39340, 43876, 54845, 62680, 78680, 87752, 109690, 219380, 438760, 440327, 880654, 1761308, 2201635, 3082289, 3522616, 4403270, 6164578, 8806540, 12329156, 15411445, 17613080, 24658312, 30822890, 61645780, 123291560]

約数ペア:

[(1, 123291560), (2, 61645780), (4, 30822890), (5, 24658312), (7, 17613080), (8, 15411445), (10, 12329156), (14, 8806540), (20, 6164578), (28, 4403270), (35, 3522616), (40, 3082289), (56, 2201635), (70, 1761308), (140, 880654), (280, 440327), (281, 438760), (562, 219380), (1124, 109690), (1405, 87752), (1567, 78680), (1967, 62680), (2248, 54845), (2810, 43876), (3134, 39340), (3934, 31340), (5620, 21938), (6268, 19670), (7835, 15736), (7868, 15670), (9835, 12536), (10969, 11240)]