156977920

素因数分解:

$2^8\times 5^1\times {\mathrm{11}}^1\times {\mathrm{11149}}^1$

素因数の和:11181

約数の個数: 72

約数和(自身を含む): 410230800

約数和(自身を除く): 253252880

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 128, 160, 176, 220, 256, 320, 352, 440, 640, 704, 880, 1280, 1408, 1760, 2816, 3520, 7040, 11149, 14080, 22298, 44596, 55745, 89192, 111490, 122639, 178384, 222980, 245278, 356768, 445960, 490556, 613195, 713536, 891920, 981112, 1226390, 1427072, 1783840, 1962224, 2452780, 2854144, 3567680, 3924448, 4905560, 7135360, 7848896, 9811120, 14270720, 15697792, 19622240, 31395584, 39244480, 78488960, 156977920]

約数ペア:

[(1, 156977920), (2, 78488960), (4, 39244480), (5, 31395584), (8, 19622240), (10, 15697792), (11, 14270720), (16, 9811120), (20, 7848896), (22, 7135360), (32, 4905560), (40, 3924448), (44, 3567680), (55, 2854144), (64, 2452780), (80, 1962224), (88, 1783840), (110, 1427072), (128, 1226390), (160, 981112), (176, 891920), (220, 713536), (256, 613195), (320, 490556), (352, 445960), (440, 356768), (640, 245278), (704, 222980), (880, 178384), (1280, 122639), (1408, 111490), (1760, 89192), (2816, 55745), (3520, 44596), (7040, 22298), (11149, 14080)]