81565980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{46877}}^1$

素因数の和:46918

約数の個数: 48

約数和(自身を含む): 236265120

約数和(自身を除く): 154699140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 46877, 93754, 140631, 187508, 234385, 281262, 468770, 562524, 703155, 937540, 1359433, 1406310, 2718866, 2812620, 4078299, 5437732, 6797165, 8156598, 13594330, 16313196, 20391495, 27188660, 40782990, 81565980]

約数ペア:

[(1, 81565980), (2, 40782990), (3, 27188660), (4, 20391495), (5, 16313196), (6, 13594330), (10, 8156598), (12, 6797165), (15, 5437732), (20, 4078299), (29, 2812620), (30, 2718866), (58, 1406310), (60, 1359433), (87, 937540), (116, 703155), (145, 562524), (174, 468770), (290, 281262), (348, 234385), (435, 187508), (580, 140631), (870, 93754), (1740, 46877)]