18878640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{7151}}^1$

素因数の和:7178

約数の個数: 80

約数和(自身を含む): 63853056

約数和(自身を除く): 44974416

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 7151, 14302, 21453, 28604, 35755, 42906, 57208, 71510, 78661, 85812, 107265, 114416, 143020, 157322, 171624, 214530, 235983, 286040, 314644, 343248, 393305, 429060, 471966, 572080, 629288, 786610, 858120, 943932, 1179915, 1258576, 1573220, 1716240, 1887864, 2359830, 3146440, 3775728, 4719660, 6292880, 9439320, 18878640]

約数ペア:

[(1, 18878640), (2, 9439320), (3, 6292880), (4, 4719660), (5, 3775728), (6, 3146440), (8, 2359830), (10, 1887864), (11, 1716240), (12, 1573220), (15, 1258576), (16, 1179915), (20, 943932), (22, 858120), (24, 786610), (30, 629288), (33, 572080), (40, 471966), (44, 429060), (48, 393305), (55, 343248), (60, 314644), (66, 286040), (80, 235983), (88, 214530), (110, 171624), (120, 157322), (132, 143020), (165, 114416), (176, 107265), (220, 85812), (240, 78661), (264, 71510), (330, 57208), (440, 42906), (528, 35755), (660, 28604), (880, 21453), (1320, 14302), (2640, 7151)]