180372640

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{161047}}^1$

素因数の和:161069

約数の個数: 48

約数和(自身を含む): 487009152

約数和(自身を除く): 306636512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 161047, 322094, 644188, 805235, 1127329, 1288376, 1610470, 2254658, 2576752, 3220940, 4509316, 5153504, 5636645, 6441880, 9018632, 11273290, 12883760, 18037264, 22546580, 25767520, 36074528, 45093160, 90186320, 180372640]

約数ペア:

[(1, 180372640), (2, 90186320), (4, 45093160), (5, 36074528), (7, 25767520), (8, 22546580), (10, 18037264), (14, 12883760), (16, 11273290), (20, 9018632), (28, 6441880), (32, 5636645), (35, 5153504), (40, 4509316), (56, 3220940), (70, 2576752), (80, 2254658), (112, 1610470), (140, 1288376), (160, 1127329), (224, 805235), (280, 644188), (560, 322094), (1120, 161047)]