123294640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{220169}}^1$

素因数の和:220189

約数の個数: 40

約数和(自身を含む): 327612960

約数和(自身を除く): 204318320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 220169, 440338, 880676, 1100845, 1541183, 1761352, 2201690, 3082366, 3522704, 4403380, 6164732, 7705915, 8806760, 12329464, 15411830, 17613520, 24658928, 30823660, 61647320, 123294640]

約数ペア:

[(1, 123294640), (2, 61647320), (4, 30823660), (5, 24658928), (7, 17613520), (8, 15411830), (10, 12329464), (14, 8806760), (16, 7705915), (20, 6164732), (28, 4403380), (35, 3522704), (40, 3082366), (56, 2201690), (70, 1761352), (80, 1541183), (112, 1100845), (140, 880676), (280, 440338), (560, 220169)]