2142840

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{2551}}^1$

素因数の和:2572

約数の個数: 64

約数和(自身を含む): 7349760

約数和(自身を除く): 5206920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 2551, 5102, 7653, 10204, 12755, 15306, 17857, 20408, 25510, 30612, 35714, 38265, 51020, 53571, 61224, 71428, 76530, 89285, 102040, 107142, 142856, 153060, 178570, 214284, 267855, 306120, 357140, 428568, 535710, 714280, 1071420, 2142840]

約数ペア:

[(1, 2142840), (2, 1071420), (3, 714280), (4, 535710), (5, 428568), (6, 357140), (7, 306120), (8, 267855), (10, 214284), (12, 178570), (14, 153060), (15, 142856), (20, 107142), (21, 102040), (24, 89285), (28, 76530), (30, 71428), (35, 61224), (40, 53571), (42, 51020), (56, 38265), (60, 35714), (70, 30612), (84, 25510), (105, 20408), (120, 17857), (140, 15306), (168, 12755), (210, 10204), (280, 7653), (420, 5102), (840, 2551)]