320491395

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{617}}^1$

素因数の和:749

約数の個数: 96

約数和(自身を含む): 680254848

約数和(自身を除く): 359763453

約数列:

[1, 3, 5, 7, 9, 15, 17, 21, 35, 45, 51, 63, 85, 97, 105, 119, 153, 255, 291, 315, 357, 485, 595, 617, 679, 765, 873, 1071, 1455, 1649, 1785, 1851, 2037, 3085, 3395, 4319, 4365, 4947, 5355, 5553, 6111, 8245, 9255, 10185, 10489, 11543, 12957, 14841, 21595, 24735, 27765, 30555, 31467, 34629, 38871, 52445, 57715, 59849, 64785, 73423, 74205, 94401, 103887, 157335, 173145, 179547, 194355, 220269, 299245, 367115, 418943, 472005, 519435, 538641, 660807, 897735, 1017433, 1101345, 1256829, 2094715, 2693205, 3052299, 3304035, 3770487, 5087165, 6284145, 7122031, 9156897, 15261495, 18852435, 21366093, 35610155, 45784485, 64098279, 106830465, 320491395]

約数ペア:

[(1, 320491395), (3, 106830465), (5, 64098279), (7, 45784485), (9, 35610155), (15, 21366093), (17, 18852435), (21, 15261495), (35, 9156897), (45, 7122031), (51, 6284145), (63, 5087165), (85, 3770487), (97, 3304035), (105, 3052299), (119, 2693205), (153, 2094715), (255, 1256829), (291, 1101345), (315, 1017433), (357, 897735), (485, 660807), (595, 538641), (617, 519435), (679, 472005), (765, 418943), (873, 367115), (1071, 299245), (1455, 220269), (1649, 194355), (1785, 179547), (1851, 173145), (2037, 157335), (3085, 103887), (3395, 94401), (4319, 74205), (4365, 73423), (4947, 64785), (5355, 59849), (5553, 57715), (6111, 52445), (8245, 38871), (9255, 34629), (10185, 31467), (10489, 30555), (11543, 27765), (12957, 24735), (14841, 21595)]