128518400

素因数分解:

$2^8\times 5^2\times {\mathrm{43}}^1\times {\mathrm{467}}^1$

素因数の和:536

約数の個数: 108

約数和(自身を含む): 326197872

約数和(自身を除く): 197679472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 43, 50, 64, 80, 86, 100, 128, 160, 172, 200, 215, 256, 320, 344, 400, 430, 467, 640, 688, 800, 860, 934, 1075, 1280, 1376, 1600, 1720, 1868, 2150, 2335, 2752, 3200, 3440, 3736, 4300, 4670, 5504, 6400, 6880, 7472, 8600, 9340, 11008, 11675, 13760, 14944, 17200, 18680, 20081, 23350, 27520, 29888, 34400, 37360, 40162, 46700, 55040, 59776, 68800, 74720, 80324, 93400, 100405, 119552, 137600, 149440, 160648, 186800, 200810, 275200, 298880, 321296, 373600, 401620, 502025, 597760, 642592, 747200, 803240, 1004050, 1285184, 1494400, 1606480, 2008100, 2570368, 2988800, 3212960, 4016200, 5140736, 6425920, 8032400, 12851840, 16064800, 25703680, 32129600, 64259200, 128518400]

約数ペア:

[(1, 128518400), (2, 64259200), (4, 32129600), (5, 25703680), (8, 16064800), (10, 12851840), (16, 8032400), (20, 6425920), (25, 5140736), (32, 4016200), (40, 3212960), (43, 2988800), (50, 2570368), (64, 2008100), (80, 1606480), (86, 1494400), (100, 1285184), (128, 1004050), (160, 803240), (172, 747200), (200, 642592), (215, 597760), (256, 502025), (320, 401620), (344, 373600), (400, 321296), (430, 298880), (467, 275200), (640, 200810), (688, 186800), (800, 160648), (860, 149440), (934, 137600), (1075, 119552), (1280, 100405), (1376, 93400), (1600, 80324), (1720, 74720), (1868, 68800), (2150, 59776), (2335, 55040), (2752, 46700), (3200, 40162), (3440, 37360), (3736, 34400), (4300, 29888), (4670, 27520), (5504, 23350), (6400, 20081), (6880, 18680), (7472, 17200), (8600, 14944), (9340, 13760), (11008, 11675)]