640888128

素因数分解:

$2^6\times 3^2\times {\mathrm{1112653}}^1$

素因数の和:1112671

約数の個数: 42

約数和(自身を含む): 1836991754

約数和(自身を除く): 1196103626

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 64, 72, 96, 144, 192, 288, 576, 1112653, 2225306, 3337959, 4450612, 6675918, 8901224, 10013877, 13351836, 17802448, 20027754, 26703672, 35604896, 40055508, 53407344, 71209792, 80111016, 106814688, 160222032, 213629376, 320444064, 640888128]

約数ペア:

[(1, 640888128), (2, 320444064), (3, 213629376), (4, 160222032), (6, 106814688), (8, 80111016), (9, 71209792), (12, 53407344), (16, 40055508), (18, 35604896), (24, 26703672), (32, 20027754), (36, 17802448), (48, 13351836), (64, 10013877), (72, 8901224), (96, 6675918), (144, 4450612), (192, 3337959), (288, 2225306), (576, 1112653)]