91437920

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{107}}^1\times {\mathrm{109}}^1$

素因数の和:245

約数の個数: 144

約数和(自身を含む): 255966480

約数和(自身を除く): 164528560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 107, 109, 112, 140, 160, 196, 214, 218, 224, 245, 280, 392, 428, 436, 490, 535, 545, 560, 749, 763, 784, 856, 872, 980, 1070, 1090, 1120, 1498, 1526, 1568, 1712, 1744, 1960, 2140, 2180, 2996, 3052, 3424, 3488, 3745, 3815, 3920, 4280, 4360, 5243, 5341, 5992, 6104, 7490, 7630, 7840, 8560, 8720, 10486, 10682, 11663, 11984, 12208, 14980, 15260, 17120, 17440, 20972, 21364, 23326, 23968, 24416, 26215, 26705, 29960, 30520, 41944, 42728, 46652, 52430, 53410, 58315, 59920, 61040, 81641, 83888, 85456, 93304, 104860, 106820, 116630, 119840, 122080, 163282, 167776, 170912, 186608, 209720, 213640, 233260, 326564, 373216, 408205, 419440, 427280, 466520, 571487, 653128, 816410, 838880, 854560, 933040, 1142974, 1306256, 1632820, 1866080, 2285948, 2612512, 2857435, 3265640, 4571896, 5714870, 6531280, 9143792, 11429740, 13062560, 18287584, 22859480, 45718960, 91437920]

約数ペア:

[(1, 91437920), (2, 45718960), (4, 22859480), (5, 18287584), (7, 13062560), (8, 11429740), (10, 9143792), (14, 6531280), (16, 5714870), (20, 4571896), (28, 3265640), (32, 2857435), (35, 2612512), (40, 2285948), (49, 1866080), (56, 1632820), (70, 1306256), (80, 1142974), (98, 933040), (107, 854560), (109, 838880), (112, 816410), (140, 653128), (160, 571487), (196, 466520), (214, 427280), (218, 419440), (224, 408205), (245, 373216), (280, 326564), (392, 233260), (428, 213640), (436, 209720), (490, 186608), (535, 170912), (545, 167776), (560, 163282), (749, 122080), (763, 119840), (784, 116630), (856, 106820), (872, 104860), (980, 93304), (1070, 85456), (1090, 83888), (1120, 81641), (1498, 61040), (1526, 59920), (1568, 58315), (1712, 53410), (1744, 52430), (1960, 46652), (2140, 42728), (2180, 41944), (2996, 30520), (3052, 29960), (3424, 26705), (3488, 26215), (3745, 24416), (3815, 23968), (3920, 23326), (4280, 21364), (4360, 20972), (5243, 17440), (5341, 17120), (5992, 15260), (6104, 14980), (7490, 12208), (7630, 11984), (7840, 11663), (8560, 10682), (8720, 10486)]