64820970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37907}}^1$

素因数の和:37939

約数の個数: 48

約数和(自身を含む): 177409440

約数和(自身を除く): 112588470

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 19, 30, 38, 45, 57, 90, 95, 114, 171, 190, 285, 342, 570, 855, 1710, 37907, 75814, 113721, 189535, 227442, 341163, 379070, 568605, 682326, 720233, 1137210, 1440466, 1705815, 2160699, 3411630, 3601165, 4321398, 6482097, 7202330, 10803495, 12964194, 21606990, 32410485, 64820970]

約数ペア:

[(1, 64820970), (2, 32410485), (3, 21606990), (5, 12964194), (6, 10803495), (9, 7202330), (10, 6482097), (15, 4321398), (18, 3601165), (19, 3411630), (30, 2160699), (38, 1705815), (45, 1440466), (57, 1137210), (90, 720233), (95, 682326), (114, 568605), (171, 379070), (190, 341163), (285, 227442), (342, 189535), (570, 113721), (855, 75814), (1710, 37907)]