51493120

素因数分解:

$2^8\times 5^1\times 7^2\times {\mathrm{821}}^1$

素因数の和:856

約数の個数: 108

約数和(自身を含む): 143654364

約数和(自身を除く): 92161244

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 392, 448, 490, 560, 640, 784, 821, 896, 980, 1120, 1280, 1568, 1642, 1792, 1960, 2240, 3136, 3284, 3920, 4105, 4480, 5747, 6272, 6568, 7840, 8210, 8960, 11494, 12544, 13136, 15680, 16420, 22988, 26272, 28735, 31360, 32840, 40229, 45976, 52544, 57470, 62720, 65680, 80458, 91952, 105088, 114940, 131360, 160916, 183904, 201145, 210176, 229880, 262720, 321832, 367808, 402290, 459760, 525440, 643664, 735616, 804580, 919520, 1050880, 1287328, 1471232, 1609160, 1839040, 2574656, 3218320, 3678080, 5149312, 6436640, 7356160, 10298624, 12873280, 25746560, 51493120]

約数ペア:

[(1, 51493120), (2, 25746560), (4, 12873280), (5, 10298624), (7, 7356160), (8, 6436640), (10, 5149312), (14, 3678080), (16, 3218320), (20, 2574656), (28, 1839040), (32, 1609160), (35, 1471232), (40, 1287328), (49, 1050880), (56, 919520), (64, 804580), (70, 735616), (80, 643664), (98, 525440), (112, 459760), (128, 402290), (140, 367808), (160, 321832), (196, 262720), (224, 229880), (245, 210176), (256, 201145), (280, 183904), (320, 160916), (392, 131360), (448, 114940), (490, 105088), (560, 91952), (640, 80458), (784, 65680), (821, 62720), (896, 57470), (980, 52544), (1120, 45976), (1280, 40229), (1568, 32840), (1642, 31360), (1792, 28735), (1960, 26272), (2240, 22988), (3136, 16420), (3284, 15680), (3920, 13136), (4105, 12544), (4480, 11494), (5747, 8960), (6272, 8210), (6568, 7840)]