165870880

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{21157}}^1$

素因数の和:21186

約数の個数: 72

約数和(自身を含む): 455870268

約数和(自身を除く): 289999388

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 21157, 42314, 84628, 105785, 148099, 169256, 211570, 296198, 338512, 423140, 592396, 677024, 740495, 846280, 1036693, 1184792, 1480990, 1692560, 2073386, 2369584, 2961980, 3385120, 4146772, 4739168, 5183465, 5923960, 8293544, 10366930, 11847920, 16587088, 20733860, 23695840, 33174176, 41467720, 82935440, 165870880]

約数ペア:

[(1, 165870880), (2, 82935440), (4, 41467720), (5, 33174176), (7, 23695840), (8, 20733860), (10, 16587088), (14, 11847920), (16, 10366930), (20, 8293544), (28, 5923960), (32, 5183465), (35, 4739168), (40, 4146772), (49, 3385120), (56, 2961980), (70, 2369584), (80, 2073386), (98, 1692560), (112, 1480990), (140, 1184792), (160, 1036693), (196, 846280), (224, 740495), (245, 677024), (280, 592396), (392, 423140), (490, 338512), (560, 296198), (784, 211570), (980, 169256), (1120, 148099), (1568, 105785), (1960, 84628), (3920, 42314), (7840, 21157)]