81319860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{367}}^1\times {\mathrm{1231}}^1$

素因数の和:1613

約数の個数: 72

約数和(自身を含む): 247543296

約数和(自身を除く): 166223436

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 367, 734, 1101, 1231, 1468, 1835, 2202, 2462, 3303, 3670, 3693, 4404, 4924, 5505, 6155, 6606, 7340, 7386, 11010, 11079, 12310, 13212, 14772, 16515, 18465, 22020, 22158, 24620, 33030, 36930, 44316, 55395, 66060, 73860, 110790, 221580, 451777, 903554, 1355331, 1807108, 2258885, 2710662, 4065993, 4517770, 5421324, 6776655, 8131986, 9035540, 13553310, 16263972, 20329965, 27106620, 40659930, 81319860]

約数ペア:

[(1, 81319860), (2, 40659930), (3, 27106620), (4, 20329965), (5, 16263972), (6, 13553310), (9, 9035540), (10, 8131986), (12, 6776655), (15, 5421324), (18, 4517770), (20, 4065993), (30, 2710662), (36, 2258885), (45, 1807108), (60, 1355331), (90, 903554), (180, 451777), (367, 221580), (734, 110790), (1101, 73860), (1231, 66060), (1468, 55395), (1835, 44316), (2202, 36930), (2462, 33030), (3303, 24620), (3670, 22158), (3693, 22020), (4404, 18465), (4924, 16515), (5505, 14772), (6155, 13212), (6606, 12310), (7340, 11079), (7386, 11010)]