6436640

素因数分解:

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

素因数の和:850

約数の個数: 72

約数和(自身を含む): 17710812

約数和(自身を除く): 11274172

約数列:

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

約数ペア:

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