17280780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{26183}}^1$

素因数の和:26206

約数の個数: 48

約数和(自身を含む): 52786944

約数和(自身を除く): 35506164

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, 26183, 52366, 78549, 104732, 130915, 157098, 261830, 288013, 314196, 392745, 523660, 576026, 785490, 864039, 1152052, 1440065, 1570980, 1728078, 2880130, 3456156, 4320195, 5760260, 8640390, 17280780]

約数ペア:

[(1, 17280780), (2, 8640390), (3, 5760260), (4, 4320195), (5, 3456156), (6, 2880130), (10, 1728078), (11, 1570980), (12, 1440065), (15, 1152052), (20, 864039), (22, 785490), (30, 576026), (33, 523660), (44, 392745), (55, 314196), (60, 288013), (66, 261830), (110, 157098), (132, 130915), (165, 104732), (220, 78549), (330, 52366), (660, 26183)]