172287920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{43951}}^1$

素因数の和:43978

約数の個数: 60

約数和(自身を含む): 465979104

約数和(自身を除く): 293691184

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 43951, 87902, 175804, 219755, 307657, 351608, 439510, 615314, 703216, 879020, 1230628, 1538285, 1758040, 2153599, 2461256, 3076570, 3516080, 4307198, 4922512, 6153140, 8614396, 10767995, 12306280, 17228792, 21535990, 24612560, 34457584, 43071980, 86143960, 172287920]

約数ペア:

[(1, 172287920), (2, 86143960), (4, 43071980), (5, 34457584), (7, 24612560), (8, 21535990), (10, 17228792), (14, 12306280), (16, 10767995), (20, 8614396), (28, 6153140), (35, 4922512), (40, 4307198), (49, 3516080), (56, 3076570), (70, 2461256), (80, 2153599), (98, 1758040), (112, 1538285), (140, 1230628), (196, 879020), (245, 703216), (280, 615314), (392, 439510), (490, 351608), (560, 307657), (784, 219755), (980, 175804), (1960, 87902), (3920, 43951)]