161375865

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 318142080

約数和(自身を除く): 156766215

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 49, 67, 87, 105, 113, 145, 147, 201, 203, 245, 335, 339, 435, 469, 565, 609, 735, 791, 1005, 1015, 1407, 1421, 1695, 1943, 2345, 2373, 3045, 3277, 3283, 3955, 4263, 5537, 5829, 7035, 7105, 7571, 9715, 9831, 9849, 11865, 13601, 16385, 16415, 16611, 21315, 22713, 22939, 27685, 29145, 37855, 40803, 49155, 49245, 52997, 68005, 68817, 83055, 95207, 113565, 114695, 158991, 160573, 204015, 219559, 264985, 285621, 344085, 370979, 476035, 481719, 658677, 794955, 802865, 1097795, 1112937, 1428105, 1536913, 1854895, 2408595, 3293385, 4610739, 5564685, 7684565, 10758391, 23053695, 32275173, 53791955, 161375865]

約数ペア:

[(1, 161375865), (3, 53791955), (5, 32275173), (7, 23053695), (15, 10758391), (21, 7684565), (29, 5564685), (35, 4610739), (49, 3293385), (67, 2408595), (87, 1854895), (105, 1536913), (113, 1428105), (145, 1112937), (147, 1097795), (201, 802865), (203, 794955), (245, 658677), (335, 481719), (339, 476035), (435, 370979), (469, 344085), (565, 285621), (609, 264985), (735, 219559), (791, 204015), (1005, 160573), (1015, 158991), (1407, 114695), (1421, 113565), (1695, 95207), (1943, 83055), (2345, 68817), (2373, 68005), (3045, 52997), (3277, 49245), (3283, 49155), (3955, 40803), (4263, 37855), (5537, 29145), (5829, 27685), (7035, 22939), (7105, 22713), (7571, 21315), (9715, 16611), (9831, 16415), (9849, 16385), (11865, 13601)]