1285620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{3061}}^1$

素因数の和:3080

約数の個数: 48

約数和(自身を含む): 4115328

約数和(自身を除く): 2829708

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 3061, 6122, 9183, 12244, 15305, 18366, 21427, 30610, 36732, 42854, 45915, 61220, 64281, 85708, 91830, 107135, 128562, 183660, 214270, 257124, 321405, 428540, 642810, 1285620]

約数ペア:

[(1, 1285620), (2, 642810), (3, 428540), (4, 321405), (5, 257124), (6, 214270), (7, 183660), (10, 128562), (12, 107135), (14, 91830), (15, 85708), (20, 64281), (21, 61220), (28, 45915), (30, 42854), (35, 36732), (42, 30610), (60, 21427), (70, 18366), (84, 15305), (105, 12244), (140, 9183), (210, 6122), (420, 3061)]