720012468

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{28477}}^1$

素因数の和:28541

約数の個数: 72

約数和(自身を含む): 1999839072

約数和(自身を除く): 1279826604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 43, 49, 84, 86, 98, 129, 147, 172, 196, 258, 294, 301, 516, 588, 602, 903, 1204, 1806, 2107, 3612, 4214, 6321, 8428, 12642, 25284, 28477, 56954, 85431, 113908, 170862, 199339, 341724, 398678, 598017, 797356, 1196034, 1224511, 1395373, 2392068, 2449022, 2790746, 3673533, 4186119, 4898044, 5581492, 7347066, 8372238, 8571577, 14694132, 16744476, 17143154, 25714731, 34286308, 51429462, 60001039, 102858924, 120002078, 180003117, 240004156, 360006234, 720012468]

約数ペア:

[(1, 720012468), (2, 360006234), (3, 240004156), (4, 180003117), (6, 120002078), (7, 102858924), (12, 60001039), (14, 51429462), (21, 34286308), (28, 25714731), (42, 17143154), (43, 16744476), (49, 14694132), (84, 8571577), (86, 8372238), (98, 7347066), (129, 5581492), (147, 4898044), (172, 4186119), (196, 3673533), (258, 2790746), (294, 2449022), (301, 2392068), (516, 1395373), (588, 1224511), (602, 1196034), (903, 797356), (1204, 598017), (1806, 398678), (2107, 341724), (3612, 199339), (4214, 170862), (6321, 113908), (8428, 85431), (12642, 56954), (25284, 28477)]