123798690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2081}}^1$

素因数の和:2755

約数の個数: 48

約数和(自身を含む): 322518456

約数和(自身を除く): 198719766

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 661, 1322, 1983, 2081, 3305, 3966, 4162, 5949, 6243, 6610, 9915, 10405, 11898, 12486, 18729, 19830, 20810, 29745, 31215, 37458, 59490, 62430, 93645, 187290, 1375541, 2751082, 4126623, 6877705, 8253246, 12379869, 13755410, 20633115, 24759738, 41266230, 61899345, 123798690]

約数ペア:

[(1, 123798690), (2, 61899345), (3, 41266230), (5, 24759738), (6, 20633115), (9, 13755410), (10, 12379869), (15, 8253246), (18, 6877705), (30, 4126623), (45, 2751082), (90, 1375541), (661, 187290), (1322, 93645), (1983, 62430), (2081, 59490), (3305, 37458), (3966, 31215), (4162, 29745), (5949, 20810), (6243, 19830), (6610, 18729), (9915, 12486), (10405, 11898)]