15879920

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{4051}}^1$

素因数の和:4078

約数の個数: 60

約数和(自身を含む): 42959304

約数和(自身を除く): 27079384

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, 4051, 8102, 16204, 20255, 28357, 32408, 40510, 56714, 64816, 81020, 113428, 141785, 162040, 198499, 226856, 283570, 324080, 396998, 453712, 567140, 793996, 992495, 1134280, 1587992, 1984990, 2268560, 3175984, 3969980, 7939960, 15879920]

約数ペア:

[(1, 15879920), (2, 7939960), (4, 3969980), (5, 3175984), (7, 2268560), (8, 1984990), (10, 1587992), (14, 1134280), (16, 992495), (20, 793996), (28, 567140), (35, 453712), (40, 396998), (49, 324080), (56, 283570), (70, 226856), (80, 198499), (98, 162040), (112, 141785), (140, 113428), (196, 81020), (245, 64816), (280, 56714), (392, 40510), (490, 32408), (560, 28357), (784, 20255), (980, 16204), (1960, 8102), (3920, 4051)]