218546120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{863}}^1$

素因数の和:1374

約数の個数: 64

約数和(自身を含む): 531256320

約数和(自身を除く): 312710200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 487, 520, 863, 974, 1726, 1948, 2435, 3452, 3896, 4315, 4870, 6331, 6904, 8630, 9740, 11219, 12662, 17260, 19480, 22438, 25324, 31655, 34520, 44876, 50648, 56095, 63310, 89752, 112190, 126620, 224380, 253240, 420281, 448760, 840562, 1681124, 2101405, 3362248, 4202810, 5463653, 8405620, 10927306, 16811240, 21854612, 27318265, 43709224, 54636530, 109273060, 218546120]

約数ペア:

[(1, 218546120), (2, 109273060), (4, 54636530), (5, 43709224), (8, 27318265), (10, 21854612), (13, 16811240), (20, 10927306), (26, 8405620), (40, 5463653), (52, 4202810), (65, 3362248), (104, 2101405), (130, 1681124), (260, 840562), (487, 448760), (520, 420281), (863, 253240), (974, 224380), (1726, 126620), (1948, 112190), (2435, 89752), (3452, 63310), (3896, 56095), (4315, 50648), (4870, 44876), (6331, 34520), (6904, 31655), (8630, 25324), (9740, 22438), (11219, 19480), (12662, 17260)]