84830720

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2549}}^1$

素因数の和:2585

約数の個数: 80

約数和(自身を含む): 219126600

約数和(自身を除く): 134295880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 128, 130, 160, 208, 256, 260, 320, 416, 512, 520, 640, 832, 1040, 1280, 1664, 2080, 2549, 2560, 3328, 4160, 5098, 6656, 8320, 10196, 12745, 16640, 20392, 25490, 33137, 33280, 40784, 50980, 66274, 81568, 101960, 132548, 163136, 165685, 203920, 265096, 326272, 331370, 407840, 530192, 652544, 662740, 815680, 1060384, 1305088, 1325480, 1631360, 2120768, 2650960, 3262720, 4241536, 5301920, 6525440, 8483072, 10603840, 16966144, 21207680, 42415360, 84830720]

約数ペア:

[(1, 84830720), (2, 42415360), (4, 21207680), (5, 16966144), (8, 10603840), (10, 8483072), (13, 6525440), (16, 5301920), (20, 4241536), (26, 3262720), (32, 2650960), (40, 2120768), (52, 1631360), (64, 1325480), (65, 1305088), (80, 1060384), (104, 815680), (128, 662740), (130, 652544), (160, 530192), (208, 407840), (256, 331370), (260, 326272), (320, 265096), (416, 203920), (512, 165685), (520, 163136), (640, 132548), (832, 101960), (1040, 81568), (1280, 66274), (1664, 50980), (2080, 40784), (2549, 33280), (2560, 33137), (3328, 25490), (4160, 20392), (5098, 16640), (6656, 12745), (8320, 10196)]