72729972

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1123}}^1$

素因数の和:1397

約数の個数: 72

約数和(自身を含む): 211114176

約数和(自身を除く): 138384204

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 257, 514, 771, 1028, 1123, 1542, 1799, 2246, 2313, 3084, 3369, 3598, 4492, 4626, 5397, 6738, 7196, 7861, 9252, 10107, 10794, 13476, 15722, 16191, 20214, 21588, 23583, 31444, 32382, 40428, 47166, 64764, 70749, 94332, 141498, 282996, 288611, 577222, 865833, 1154444, 1731666, 2020277, 2597499, 3463332, 4040554, 5194998, 6060831, 8081108, 10389996, 12121662, 18182493, 24243324, 36364986, 72729972]

約数ペア:

[(1, 72729972), (2, 36364986), (3, 24243324), (4, 18182493), (6, 12121662), (7, 10389996), (9, 8081108), (12, 6060831), (14, 5194998), (18, 4040554), (21, 3463332), (28, 2597499), (36, 2020277), (42, 1731666), (63, 1154444), (84, 865833), (126, 577222), (252, 288611), (257, 282996), (514, 141498), (771, 94332), (1028, 70749), (1123, 64764), (1542, 47166), (1799, 40428), (2246, 32382), (2313, 31444), (3084, 23583), (3369, 21588), (3598, 20214), (4492, 16191), (4626, 15722), (5397, 13476), (6738, 10794), (7196, 10107), (7861, 9252)]