65312800

素因数分解:

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

素因数の和:243

約数の個数: 144

約数和(自身を含む): 185613120

約数和(自身を除く): 120300320

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 50, 56, 70, 80, 100, 107, 109, 112, 140, 160, 175, 200, 214, 218, 224, 280, 350, 400, 428, 436, 535, 545, 560, 700, 749, 763, 800, 856, 872, 1070, 1090, 1120, 1400, 1498, 1526, 1712, 1744, 2140, 2180, 2675, 2725, 2800, 2996, 3052, 3424, 3488, 3745, 3815, 4280, 4360, 5350, 5450, 5600, 5992, 6104, 7490, 7630, 8560, 8720, 10700, 10900, 11663, 11984, 12208, 14980, 15260, 17120, 17440, 18725, 19075, 21400, 21800, 23326, 23968, 24416, 29960, 30520, 37450, 38150, 42800, 43600, 46652, 58315, 59920, 61040, 74900, 76300, 81641, 85600, 87200, 93304, 116630, 119840, 122080, 149800, 152600, 163282, 186608, 233260, 291575, 299600, 305200, 326564, 373216, 408205, 466520, 583150, 599200, 610400, 653128, 816410, 933040, 1166300, 1306256, 1632820, 1866080, 2041025, 2332600, 2612512, 3265640, 4082050, 4665200, 6531280, 8164100, 9330400, 13062560, 16328200, 32656400, 65312800]

約数ペア:

[(1, 65312800), (2, 32656400), (4, 16328200), (5, 13062560), (7, 9330400), (8, 8164100), (10, 6531280), (14, 4665200), (16, 4082050), (20, 3265640), (25, 2612512), (28, 2332600), (32, 2041025), (35, 1866080), (40, 1632820), (50, 1306256), (56, 1166300), (70, 933040), (80, 816410), (100, 653128), (107, 610400), (109, 599200), (112, 583150), (140, 466520), (160, 408205), (175, 373216), (200, 326564), (214, 305200), (218, 299600), (224, 291575), (280, 233260), (350, 186608), (400, 163282), (428, 152600), (436, 149800), (535, 122080), (545, 119840), (560, 116630), (700, 93304), (749, 87200), (763, 85600), (800, 81641), (856, 76300), (872, 74900), (1070, 61040), (1090, 59920), (1120, 58315), (1400, 46652), (1498, 43600), (1526, 42800), (1712, 38150), (1744, 37450), (2140, 30520), (2180, 29960), (2675, 24416), (2725, 23968), (2800, 23326), (2996, 21800), (3052, 21400), (3424, 19075), (3488, 18725), (3745, 17440), (3815, 17120), (4280, 15260), (4360, 14980), (5350, 12208), (5450, 11984), (5600, 11663), (5992, 10900), (6104, 10700), (7490, 8720), (7630, 8560)]