65778660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{5147}}^1$

素因数の和:5233

約数の個数: 72

約数和(自身を含む): 202378176

約数和(自身を除く): 136599516

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 71, 90, 142, 180, 213, 284, 355, 426, 639, 710, 852, 1065, 1278, 1420, 2130, 2556, 3195, 4260, 5147, 6390, 10294, 12780, 15441, 20588, 25735, 30882, 46323, 51470, 61764, 77205, 92646, 102940, 154410, 185292, 231615, 308820, 365437, 463230, 730874, 926460, 1096311, 1461748, 1827185, 2192622, 3288933, 3654370, 4385244, 5481555, 6577866, 7308740, 10963110, 13155732, 16444665, 21926220, 32889330, 65778660]

約数ペア:

[(1, 65778660), (2, 32889330), (3, 21926220), (4, 16444665), (5, 13155732), (6, 10963110), (9, 7308740), (10, 6577866), (12, 5481555), (15, 4385244), (18, 3654370), (20, 3288933), (30, 2192622), (36, 1827185), (45, 1461748), (60, 1096311), (71, 926460), (90, 730874), (142, 463230), (180, 365437), (213, 308820), (284, 231615), (355, 185292), (426, 154410), (639, 102940), (710, 92646), (852, 77205), (1065, 61764), (1278, 51470), (1420, 46323), (2130, 30882), (2556, 25735), (3195, 20588), (4260, 15441), (5147, 12780), (6390, 10294)]