79859200

素因数分解:

$2^9\times 5^2\times {\mathrm{17}}^1\times {\mathrm{367}}^1$

素因数の和:412

約数の個数: 120

約数和(自身を含む): 210066912

約数和(自身を除く): 130207712

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 40, 50, 64, 68, 80, 85, 100, 128, 136, 160, 170, 200, 256, 272, 320, 340, 367, 400, 425, 512, 544, 640, 680, 734, 800, 850, 1088, 1280, 1360, 1468, 1600, 1700, 1835, 2176, 2560, 2720, 2936, 3200, 3400, 3670, 4352, 5440, 5872, 6239, 6400, 6800, 7340, 8704, 9175, 10880, 11744, 12478, 12800, 13600, 14680, 18350, 21760, 23488, 24956, 27200, 29360, 31195, 36700, 43520, 46976, 49912, 54400, 58720, 62390, 73400, 93952, 99824, 108800, 117440, 124780, 146800, 155975, 187904, 199648, 217600, 234880, 249560, 293600, 311950, 399296, 469760, 499120, 587200, 623900, 798592, 939520, 998240, 1174400, 1247800, 1597184, 1996480, 2348800, 2495600, 3194368, 3992960, 4697600, 4991200, 7985920, 9982400, 15971840, 19964800, 39929600, 79859200]

約数ペア:

[(1, 79859200), (2, 39929600), (4, 19964800), (5, 15971840), (8, 9982400), (10, 7985920), (16, 4991200), (17, 4697600), (20, 3992960), (25, 3194368), (32, 2495600), (34, 2348800), (40, 1996480), (50, 1597184), (64, 1247800), (68, 1174400), (80, 998240), (85, 939520), (100, 798592), (128, 623900), (136, 587200), (160, 499120), (170, 469760), (200, 399296), (256, 311950), (272, 293600), (320, 249560), (340, 234880), (367, 217600), (400, 199648), (425, 187904), (512, 155975), (544, 146800), (640, 124780), (680, 117440), (734, 108800), (800, 99824), (850, 93952), (1088, 73400), (1280, 62390), (1360, 58720), (1468, 54400), (1600, 49912), (1700, 46976), (1835, 43520), (2176, 36700), (2560, 31195), (2720, 29360), (2936, 27200), (3200, 24956), (3400, 23488), (3670, 21760), (4352, 18350), (5440, 14680), (5872, 13600), (6239, 12800), (6400, 12478), (6800, 11744), (7340, 10880), (8704, 9175)]