55381620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{131861}}^1$

素因数の和:131880

約数の個数: 48

約数和(自身を含む): 177222528

約数和(自身を除く): 121840908

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, 131861, 263722, 395583, 527444, 659305, 791166, 923027, 1318610, 1582332, 1846054, 1977915, 2637220, 2769081, 3692108, 3955830, 4615135, 5538162, 7911660, 9230270, 11076324, 13845405, 18460540, 27690810, 55381620]

約数ペア:

[(1, 55381620), (2, 27690810), (3, 18460540), (4, 13845405), (5, 11076324), (6, 9230270), (7, 7911660), (10, 5538162), (12, 4615135), (14, 3955830), (15, 3692108), (20, 2769081), (21, 2637220), (28, 1977915), (30, 1846054), (35, 1582332), (42, 1318610), (60, 923027), (70, 791166), (84, 659305), (105, 527444), (140, 395583), (210, 263722), (420, 131861)]