64038420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{359}}^1\times {\mathrm{991}}^1$

素因数の和:1365

約数の個数: 72

約数和(自身を含む): 194987520

約数和(自身を除く): 130949100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 359, 718, 991, 1077, 1436, 1795, 1982, 2154, 2973, 3231, 3590, 3964, 4308, 4955, 5385, 5946, 6462, 7180, 8919, 9910, 10770, 11892, 12924, 14865, 16155, 17838, 19820, 21540, 29730, 32310, 35676, 44595, 59460, 64620, 89190, 178380, 355769, 711538, 1067307, 1423076, 1778845, 2134614, 3201921, 3557690, 4269228, 5336535, 6403842, 7115380, 10673070, 12807684, 16009605, 21346140, 32019210, 64038420]

約数ペア:

[(1, 64038420), (2, 32019210), (3, 21346140), (4, 16009605), (5, 12807684), (6, 10673070), (9, 7115380), (10, 6403842), (12, 5336535), (15, 4269228), (18, 3557690), (20, 3201921), (30, 2134614), (36, 1778845), (45, 1423076), (60, 1067307), (90, 711538), (180, 355769), (359, 178380), (718, 89190), (991, 64620), (1077, 59460), (1436, 44595), (1795, 35676), (1982, 32310), (2154, 29730), (2973, 21540), (3231, 19820), (3590, 17838), (3964, 16155), (4308, 14865), (4955, 12924), (5385, 11892), (5946, 10770), (6462, 9910), (7180, 8919)]