81850470

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{7237}}^1$

素因数の和:7289

約数の個数: 64

約数和(自身を含む): 218877120

約数和(自身を除く): 137026650

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 29, 30, 39, 58, 65, 78, 87, 130, 145, 174, 195, 290, 377, 390, 435, 754, 870, 1131, 1885, 2262, 3770, 5655, 7237, 11310, 14474, 21711, 36185, 43422, 72370, 94081, 108555, 188162, 209873, 217110, 282243, 419746, 470405, 564486, 629619, 940810, 1049365, 1259238, 1411215, 2098730, 2728349, 2822430, 3148095, 5456698, 6296190, 8185047, 13641745, 16370094, 27283490, 40925235, 81850470]

約数ペア:

[(1, 81850470), (2, 40925235), (3, 27283490), (5, 16370094), (6, 13641745), (10, 8185047), (13, 6296190), (15, 5456698), (26, 3148095), (29, 2822430), (30, 2728349), (39, 2098730), (58, 1411215), (65, 1259238), (78, 1049365), (87, 940810), (130, 629619), (145, 564486), (174, 470405), (195, 419746), (290, 282243), (377, 217110), (390, 209873), (435, 188162), (754, 108555), (870, 94081), (1131, 72370), (1885, 43422), (2262, 36185), (3770, 21711), (5655, 14474), (7237, 11310)]