2604800

素因数分解:

$2^8\times 5^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1$

素因数の和:74

約数の個数: 108

約数和(自身を含む): 7223496

約数和(自身を除く): 4618696

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 37, 40, 44, 50, 55, 64, 74, 80, 88, 100, 110, 128, 148, 160, 176, 185, 200, 220, 256, 275, 296, 320, 352, 370, 400, 407, 440, 550, 592, 640, 704, 740, 800, 814, 880, 925, 1100, 1184, 1280, 1408, 1480, 1600, 1628, 1760, 1850, 2035, 2200, 2368, 2816, 2960, 3200, 3256, 3520, 3700, 4070, 4400, 4736, 5920, 6400, 6512, 7040, 7400, 8140, 8800, 9472, 10175, 11840, 13024, 14080, 14800, 16280, 17600, 20350, 23680, 26048, 29600, 32560, 35200, 40700, 47360, 52096, 59200, 65120, 70400, 81400, 104192, 118400, 130240, 162800, 236800, 260480, 325600, 520960, 651200, 1302400, 2604800]

約数ペア:

[(1, 2604800), (2, 1302400), (4, 651200), (5, 520960), (8, 325600), (10, 260480), (11, 236800), (16, 162800), (20, 130240), (22, 118400), (25, 104192), (32, 81400), (37, 70400), (40, 65120), (44, 59200), (50, 52096), (55, 47360), (64, 40700), (74, 35200), (80, 32560), (88, 29600), (100, 26048), (110, 23680), (128, 20350), (148, 17600), (160, 16280), (176, 14800), (185, 14080), (200, 13024), (220, 11840), (256, 10175), (275, 9472), (296, 8800), (320, 8140), (352, 7400), (370, 7040), (400, 6512), (407, 6400), (440, 5920), (550, 4736), (592, 4400), (640, 4070), (704, 3700), (740, 3520), (800, 3256), (814, 3200), (880, 2960), (925, 2816), (1100, 2368), (1184, 2200), (1280, 2035), (1408, 1850), (1480, 1760), (1600, 1628)]