640023168

素因数分解:

$2^7\times 3^1\times {\mathrm{1666727}}^1$

素因数の和:1666744

約数の個数: 32

約数和(自身を含む): 1700062560

約数和(自身を除く): 1060039392

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 384, 1666727, 3333454, 5000181, 6666908, 10000362, 13333816, 20000724, 26667632, 40001448, 53335264, 80002896, 106670528, 160005792, 213341056, 320011584, 640023168]

約数ペア:

[(1, 640023168), (2, 320011584), (3, 213341056), (4, 160005792), (6, 106670528), (8, 80002896), (12, 53335264), (16, 40001448), (24, 26667632), (32, 20000724), (48, 13333816), (64, 10000362), (96, 6666908), (128, 5000181), (192, 3333454), (384, 1666727)]