247896180

素因数分解:

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

素因数の和:65606

約数の個数: 96

約数和(自身を含む): 881422080

約数和(自身を除く): 633525900

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 65581, 131162, 196743, 262324, 327905, 393486, 459067, 590229, 655810, 786972, 918134, 983715, 1180458, 1311620, 1377201, 1770687, 1836268, 1967430, 2295335, 2360916, 2754402, 2951145, 3541374, 3934860, 4131603, 4590670, 5508804, 5902290, 6886005, 7082748, 8263206, 8853435, 9181340, 11804580, 12394809, 13772010, 16526412, 17706870, 20658015, 24789618, 27544020, 35413740, 41316030, 49579236, 61974045, 82632060, 123948090, 247896180]

約数ペア:

[(1, 247896180), (2, 123948090), (3, 82632060), (4, 61974045), (5, 49579236), (6, 41316030), (7, 35413740), (9, 27544020), (10, 24789618), (12, 20658015), (14, 17706870), (15, 16526412), (18, 13772010), (20, 12394809), (21, 11804580), (27, 9181340), (28, 8853435), (30, 8263206), (35, 7082748), (36, 6886005), (42, 5902290), (45, 5508804), (54, 4590670), (60, 4131603), (63, 3934860), (70, 3541374), (84, 2951145), (90, 2754402), (105, 2360916), (108, 2295335), (126, 1967430), (135, 1836268), (140, 1770687), (180, 1377201), (189, 1311620), (210, 1180458), (252, 983715), (270, 918134), (315, 786972), (378, 655810), (420, 590229), (540, 459067), (630, 393486), (756, 327905), (945, 262324), (1260, 196743), (1890, 131162), (3780, 65581)]