55428800

素因数分解:

$2^6\times 5^2\times 7^3\times {\mathrm{101}}^1$

素因数の和:144

約数の個数: 168

約数和(自身を含む): 160629600

約数和(自身を除く): 105200800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 32, 35, 40, 49, 50, 56, 64, 70, 80, 98, 100, 101, 112, 140, 160, 175, 196, 200, 202, 224, 245, 280, 320, 343, 350, 392, 400, 404, 448, 490, 505, 560, 686, 700, 707, 784, 800, 808, 980, 1010, 1120, 1225, 1372, 1400, 1414, 1568, 1600, 1616, 1715, 1960, 2020, 2240, 2450, 2525, 2744, 2800, 2828, 3136, 3232, 3430, 3535, 3920, 4040, 4900, 4949, 5050, 5488, 5600, 5656, 6464, 6860, 7070, 7840, 8080, 8575, 9800, 9898, 10100, 10976, 11200, 11312, 13720, 14140, 15680, 16160, 17150, 17675, 19600, 19796, 20200, 21952, 22624, 24745, 27440, 28280, 32320, 34300, 34643, 35350, 39200, 39592, 40400, 45248, 49490, 54880, 56560, 68600, 69286, 70700, 78400, 79184, 80800, 98980, 109760, 113120, 123725, 137200, 138572, 141400, 158368, 161600, 173215, 197960, 226240, 247450, 274400, 277144, 282800, 316736, 346430, 395920, 494900, 548800, 554288, 565600, 692860, 791840, 866075, 989800, 1108576, 1131200, 1385720, 1583680, 1732150, 1979600, 2217152, 2771440, 3464300, 3959200, 5542880, 6928600, 7918400, 11085760, 13857200, 27714400, 55428800]

約数ペア:

[(1, 55428800), (2, 27714400), (4, 13857200), (5, 11085760), (7, 7918400), (8, 6928600), (10, 5542880), (14, 3959200), (16, 3464300), (20, 2771440), (25, 2217152), (28, 1979600), (32, 1732150), (35, 1583680), (40, 1385720), (49, 1131200), (50, 1108576), (56, 989800), (64, 866075), (70, 791840), (80, 692860), (98, 565600), (100, 554288), (101, 548800), (112, 494900), (140, 395920), (160, 346430), (175, 316736), (196, 282800), (200, 277144), (202, 274400), (224, 247450), (245, 226240), (280, 197960), (320, 173215), (343, 161600), (350, 158368), (392, 141400), (400, 138572), (404, 137200), (448, 123725), (490, 113120), (505, 109760), (560, 98980), (686, 80800), (700, 79184), (707, 78400), (784, 70700), (800, 69286), (808, 68600), (980, 56560), (1010, 54880), (1120, 49490), (1225, 45248), (1372, 40400), (1400, 39592), (1414, 39200), (1568, 35350), (1600, 34643), (1616, 34300), (1715, 32320), (1960, 28280), (2020, 27440), (2240, 24745), (2450, 22624), (2525, 21952), (2744, 20200), (2800, 19796), (2828, 19600), (3136, 17675), (3232, 17150), (3430, 16160), (3535, 15680), (3920, 14140), (4040, 13720), (4900, 11312), (4949, 11200), (5050, 10976), (5488, 10100), (5600, 9898), (5656, 9800), (6464, 8575), (6860, 8080), (7070, 7840)]