30689960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2549}}^1$

素因数の和:2610

約数の個数: 64

約数和(自身を含む): 80784000

約数和(自身を除く): 50094040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 43, 56, 70, 86, 140, 172, 215, 280, 301, 344, 430, 602, 860, 1204, 1505, 1720, 2408, 2549, 3010, 5098, 6020, 10196, 12040, 12745, 17843, 20392, 25490, 35686, 50980, 71372, 89215, 101960, 109607, 142744, 178430, 219214, 356860, 438428, 548035, 713720, 767249, 876856, 1096070, 1534498, 2192140, 3068996, 3836245, 4384280, 6137992, 7672490, 15344980, 30689960]

約数ペア:

[(1, 30689960), (2, 15344980), (4, 7672490), (5, 6137992), (7, 4384280), (8, 3836245), (10, 3068996), (14, 2192140), (20, 1534498), (28, 1096070), (35, 876856), (40, 767249), (43, 713720), (56, 548035), (70, 438428), (86, 356860), (140, 219214), (172, 178430), (215, 142744), (280, 109607), (301, 101960), (344, 89215), (430, 71372), (602, 50980), (860, 35686), (1204, 25490), (1505, 20392), (1720, 17843), (2408, 12745), (2549, 12040), (3010, 10196), (5098, 6020)]