123948090

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{65581}}^1$

素因数の和:65604

約数の個数: 64

約数和(自身を含む): 377752320

約数和(自身を除く): 253804230

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 65581, 131162, 196743, 327905, 393486, 459067, 590229, 655810, 918134, 983715, 1180458, 1377201, 1770687, 1967430, 2295335, 2754402, 2951145, 3541374, 4131603, 4590670, 5902290, 6886005, 8263206, 8853435, 12394809, 13772010, 17706870, 20658015, 24789618, 41316030, 61974045, 123948090]

約数ペア:

[(1, 123948090), (2, 61974045), (3, 41316030), (5, 24789618), (6, 20658015), (7, 17706870), (9, 13772010), (10, 12394809), (14, 8853435), (15, 8263206), (18, 6886005), (21, 5902290), (27, 4590670), (30, 4131603), (35, 3541374), (42, 2951145), (45, 2754402), (54, 2295335), (63, 1967430), (70, 1770687), (90, 1377201), (105, 1180458), (126, 983715), (135, 918134), (189, 655810), (210, 590229), (270, 459067), (315, 393486), (378, 327905), (630, 196743), (945, 131162), (1890, 65581)]