28779960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21803}}^1$

素因数の和:21828

約数の個数: 64

約数和(自身を含む): 94193280

約数和(自身を除く): 65413320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 21803, 43606, 65409, 87212, 109015, 130818, 174424, 218030, 239833, 261636, 327045, 436060, 479666, 523272, 654090, 719499, 872120, 959332, 1199165, 1308180, 1438998, 1918664, 2398330, 2616360, 2877996, 3597495, 4796660, 5755992, 7194990, 9593320, 14389980, 28779960]

約数ペア:

[(1, 28779960), (2, 14389980), (3, 9593320), (4, 7194990), (5, 5755992), (6, 4796660), (8, 3597495), (10, 2877996), (11, 2616360), (12, 2398330), (15, 1918664), (20, 1438998), (22, 1308180), (24, 1199165), (30, 959332), (33, 872120), (40, 719499), (44, 654090), (55, 523272), (60, 479666), (66, 436060), (88, 327045), (110, 261636), (120, 239833), (132, 218030), (165, 174424), (220, 130818), (264, 109015), (330, 87212), (440, 65409), (660, 43606), (1320, 21803)]