74560720

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71693}}^1$

素因数の和:71719

約数の個数: 40

約数和(自身を含む): 186691176

約数和(自身を除く): 112130456

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 71693, 143386, 286772, 358465, 573544, 716930, 932009, 1147088, 1433860, 1864018, 2867720, 3728036, 4660045, 5735440, 7456072, 9320090, 14912144, 18640180, 37280360, 74560720]

約数ペア:

[(1, 74560720), (2, 37280360), (4, 18640180), (5, 14912144), (8, 9320090), (10, 7456072), (13, 5735440), (16, 4660045), (20, 3728036), (26, 2867720), (40, 1864018), (52, 1433860), (65, 1147088), (80, 932009), (104, 716930), (130, 573544), (208, 358465), (260, 286772), (520, 143386), (1040, 71693)]