80760820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{3583}}^1$

素因数の和:3629

約数の個数: 72

約数和(自身を含む): 205922304

約数和(自身を除く): 125161484

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 805, 980, 1127, 1610, 2254, 3220, 3583, 4508, 5635, 7166, 11270, 14332, 17915, 22540, 25081, 35830, 50162, 71660, 82409, 100324, 125405, 164818, 175567, 250810, 329636, 351134, 412045, 501620, 576863, 702268, 824090, 877835, 1153726, 1648180, 1755670, 2307452, 2884315, 3511340, 4038041, 5768630, 8076082, 11537260, 16152164, 20190205, 40380410, 80760820]

約数ペア:

[(1, 80760820), (2, 40380410), (4, 20190205), (5, 16152164), (7, 11537260), (10, 8076082), (14, 5768630), (20, 4038041), (23, 3511340), (28, 2884315), (35, 2307452), (46, 1755670), (49, 1648180), (70, 1153726), (92, 877835), (98, 824090), (115, 702268), (140, 576863), (161, 501620), (196, 412045), (230, 351134), (245, 329636), (322, 250810), (460, 175567), (490, 164818), (644, 125405), (805, 100324), (980, 82409), (1127, 71660), (1610, 50162), (2254, 35830), (3220, 25081), (3583, 22540), (4508, 17915), (5635, 14332), (7166, 11270)]