261328980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{395953}}^1$

素因数の和:395976

約数の個数: 48

約数和(自身を含む): 798243264

約数和(自身を除く): 536914284

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 395953, 791906, 1187859, 1583812, 1979765, 2375718, 3959530, 4355483, 4751436, 5939295, 7919060, 8710966, 11878590, 13066449, 17421932, 21777415, 23757180, 26132898, 43554830, 52265796, 65332245, 87109660, 130664490, 261328980]

約数ペア:

[(1, 261328980), (2, 130664490), (3, 87109660), (4, 65332245), (5, 52265796), (6, 43554830), (10, 26132898), (11, 23757180), (12, 21777415), (15, 17421932), (20, 13066449), (22, 11878590), (30, 8710966), (33, 7919060), (44, 5939295), (55, 4751436), (60, 4355483), (66, 3959530), (110, 2375718), (132, 1979765), (165, 1583812), (220, 1187859), (330, 791906), (660, 395953)]