30479960

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{15551}}^1$

素因数の和:15576

約数の個数: 48

約数和(自身を含む): 79781760

約数和(自身を除く): 49301800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 15551, 31102, 62204, 77755, 108857, 124408, 155510, 217714, 311020, 435428, 544285, 622040, 761999, 870856, 1088570, 1523998, 2177140, 3047996, 3809995, 4354280, 6095992, 7619990, 15239980, 30479960]

約数ペア:

[(1, 30479960), (2, 15239980), (4, 7619990), (5, 6095992), (7, 4354280), (8, 3809995), (10, 3047996), (14, 2177140), (20, 1523998), (28, 1088570), (35, 870856), (40, 761999), (49, 622040), (56, 544285), (70, 435428), (98, 311020), (140, 217714), (196, 155510), (245, 124408), (280, 108857), (392, 77755), (490, 62204), (980, 31102), (1960, 15551)]