7932800

素因数分解:

$2^7\times 5^2\times {\mathrm{37}}^1\times {\mathrm{67}}^1$

素因数の和:128

約数の個数: 96

約数和(自身を含む): 20426520

約数和(自身を除く): 12493720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 37, 40, 50, 64, 67, 74, 80, 100, 128, 134, 148, 160, 185, 200, 268, 296, 320, 335, 370, 400, 536, 592, 640, 670, 740, 800, 925, 1072, 1184, 1340, 1480, 1600, 1675, 1850, 2144, 2368, 2479, 2680, 2960, 3200, 3350, 3700, 4288, 4736, 4958, 5360, 5920, 6700, 7400, 8576, 9916, 10720, 11840, 12395, 13400, 14800, 19832, 21440, 23680, 24790, 26800, 29600, 39664, 42880, 49580, 53600, 59200, 61975, 79328, 99160, 107200, 118400, 123950, 158656, 198320, 214400, 247900, 317312, 396640, 495800, 793280, 991600, 1586560, 1983200, 3966400, 7932800]

約数ペア:

[(1, 7932800), (2, 3966400), (4, 1983200), (5, 1586560), (8, 991600), (10, 793280), (16, 495800), (20, 396640), (25, 317312), (32, 247900), (37, 214400), (40, 198320), (50, 158656), (64, 123950), (67, 118400), (74, 107200), (80, 99160), (100, 79328), (128, 61975), (134, 59200), (148, 53600), (160, 49580), (185, 42880), (200, 39664), (268, 29600), (296, 26800), (320, 24790), (335, 23680), (370, 21440), (400, 19832), (536, 14800), (592, 13400), (640, 12395), (670, 11840), (740, 10720), (800, 9916), (925, 8576), (1072, 7400), (1184, 6700), (1340, 5920), (1480, 5360), (1600, 4958), (1675, 4736), (1850, 4288), (2144, 3700), (2368, 3350), (2479, 3200), (2680, 2960)]