81243262240

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{10362661}}^1$

素因数の和:10362690

約数の個数: 72

約数和(自身を含む): 223273915452

約数和(自身を除く): 142030653212

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, 980, 1120, 1568, 1960, 3920, 7840, 10362661, 20725322, 41450644, 51813305, 72538627, 82901288, 103626610, 145077254, 165802576, 207253220, 290154508, 331605152, 362693135, 414506440, 507770389, 580309016, 725386270, 829012880, 1015540778, 1160618032, 1450772540, 1658025760, 2031081556, 2321236064, 2538851945, 2901545080, 4062163112, 5077703890, 5803090160, 8124326224, 10155407780, 11606180320, 16248652448, 20310815560, 40621631120, 81243262240]

約数ペア:

[(1, 81243262240), (2, 40621631120), (4, 20310815560), (5, 16248652448), (7, 11606180320), (8, 10155407780), (10, 8124326224), (14, 5803090160), (16, 5077703890), (20, 4062163112), (28, 2901545080), (32, 2538851945), (35, 2321236064), (40, 2031081556), (49, 1658025760), (56, 1450772540), (70, 1160618032), (80, 1015540778), (98, 829012880), (112, 725386270), (140, 580309016), (160, 507770389), (196, 414506440), (224, 362693135), (245, 331605152), (280, 290154508), (392, 207253220), (490, 165802576), (560, 145077254), (784, 103626610), (980, 82901288), (1120, 72538627), (1568, 51813305), (1960, 41450644), (3920, 20725322), (7840, 10362661)]