66981690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{751}}^1\times {\mathrm{991}}^1$

素因数の和:1755

約数の個数: 48

約数和(自身を含む): 174560256

約数和(自身を除く): 107578566

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 751, 991, 1502, 1982, 2253, 2973, 3755, 4506, 4955, 5946, 6759, 7510, 8919, 9910, 11265, 13518, 14865, 17838, 22530, 29730, 33795, 44595, 67590, 89190, 744241, 1488482, 2232723, 3721205, 4465446, 6698169, 7442410, 11163615, 13396338, 22327230, 33490845, 66981690]

約数ペア:

[(1, 66981690), (2, 33490845), (3, 22327230), (5, 13396338), (6, 11163615), (9, 7442410), (10, 6698169), (15, 4465446), (18, 3721205), (30, 2232723), (45, 1488482), (90, 744241), (751, 89190), (991, 67590), (1502, 44595), (1982, 33795), (2253, 29730), (2973, 22530), (3755, 17838), (4506, 14865), (4955, 13518), (5946, 11265), (6759, 9910), (7510, 8919)]