12873280

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{821}}^1$

素因数の和:852

約数の個数: 84

約数和(自身を含む): 35702748

約数和(自身を除く): 22829468

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 320, 392, 448, 490, 560, 784, 821, 980, 1120, 1568, 1642, 1960, 2240, 3136, 3284, 3920, 4105, 5747, 6568, 7840, 8210, 11494, 13136, 15680, 16420, 22988, 26272, 28735, 32840, 40229, 45976, 52544, 57470, 65680, 80458, 91952, 114940, 131360, 160916, 183904, 201145, 229880, 262720, 321832, 367808, 402290, 459760, 643664, 804580, 919520, 1287328, 1609160, 1839040, 2574656, 3218320, 6436640, 12873280]

約数ペア:

[(1, 12873280), (2, 6436640), (4, 3218320), (5, 2574656), (7, 1839040), (8, 1609160), (10, 1287328), (14, 919520), (16, 804580), (20, 643664), (28, 459760), (32, 402290), (35, 367808), (40, 321832), (49, 262720), (56, 229880), (64, 201145), (70, 183904), (80, 160916), (98, 131360), (112, 114940), (140, 91952), (160, 80458), (196, 65680), (224, 57470), (245, 52544), (280, 45976), (320, 40229), (392, 32840), (448, 28735), (490, 26272), (560, 22988), (784, 16420), (821, 15680), (980, 13136), (1120, 11494), (1568, 8210), (1642, 7840), (1960, 6568), (2240, 5747), (3136, 4105), (3284, 3920)]