64691140

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{751}}^1$

素因数の和:892

約数の個数: 48

約数和(自身を含む): 140232960

約数和(自身を除く): 75541820

約数列:

[1, 2, 4, 5, 10, 20, 59, 73, 118, 146, 236, 292, 295, 365, 590, 730, 751, 1180, 1460, 1502, 3004, 3755, 4307, 7510, 8614, 15020, 17228, 21535, 43070, 44309, 54823, 86140, 88618, 109646, 177236, 219292, 221545, 274115, 443090, 548230, 886180, 1096460, 3234557, 6469114, 12938228, 16172785, 32345570, 64691140]

約数ペア:

[(1, 64691140), (2, 32345570), (4, 16172785), (5, 12938228), (10, 6469114), (20, 3234557), (59, 1096460), (73, 886180), (118, 548230), (146, 443090), (236, 274115), (292, 221545), (295, 219292), (365, 177236), (590, 109646), (730, 88618), (751, 86140), (1180, 54823), (1460, 44309), (1502, 43070), (3004, 21535), (3755, 17228), (4307, 15020), (7510, 8614)]