68563740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{23321}}^1$

素因数の和:23347

約数の個数: 72

約数和(自身を含む): 223331472

約数和(自身を除く): 154767732

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 23321, 46642, 69963, 93284, 116605, 139926, 163247, 233210, 279852, 326494, 349815, 466420, 489741, 652988, 699630, 816235, 979482, 1142729, 1399260, 1632470, 1958964, 2285458, 2448705, 3264940, 3428187, 4570916, 4897410, 5713645, 6856374, 9794820, 11427290, 13712748, 17140935, 22854580, 34281870, 68563740]

約数ペア:

[(1, 68563740), (2, 34281870), (3, 22854580), (4, 17140935), (5, 13712748), (6, 11427290), (7, 9794820), (10, 6856374), (12, 5713645), (14, 4897410), (15, 4570916), (20, 3428187), (21, 3264940), (28, 2448705), (30, 2285458), (35, 1958964), (42, 1632470), (49, 1399260), (60, 1142729), (70, 979482), (84, 816235), (98, 699630), (105, 652988), (140, 489741), (147, 466420), (196, 349815), (210, 326494), (245, 279852), (294, 233210), (420, 163247), (490, 139926), (588, 116605), (735, 93284), (980, 69963), (1470, 46642), (2940, 23321)]