12000640

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1103}}^1$

素因数の和:1139

約数の個数: 64

約数和(自身を含む): 30404160

約数和(自身を除く): 18403520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1103, 1360, 2176, 2206, 2720, 4412, 5440, 5515, 8824, 10880, 11030, 17648, 18751, 22060, 35296, 37502, 44120, 70592, 75004, 88240, 93755, 141184, 150008, 176480, 187510, 300016, 352960, 375020, 600032, 705920, 750040, 1200064, 1500080, 2400128, 3000160, 6000320, 12000640]

約数ペア:

[(1, 12000640), (2, 6000320), (4, 3000160), (5, 2400128), (8, 1500080), (10, 1200064), (16, 750040), (17, 705920), (20, 600032), (32, 375020), (34, 352960), (40, 300016), (64, 187510), (68, 176480), (80, 150008), (85, 141184), (128, 93755), (136, 88240), (160, 75004), (170, 70592), (272, 44120), (320, 37502), (340, 35296), (544, 22060), (640, 18751), (680, 17648), (1088, 11030), (1103, 10880), (1360, 8824), (2176, 5515), (2206, 5440), (2720, 4412)]