258489540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{887}}^1\times {\mathrm{1619}}^1$

素因数の和:2521

約数の個数: 72

約数和(自身を含む): 785453760

約数和(自身を除く): 526964220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 887, 1619, 1774, 2661, 3238, 3548, 4435, 4857, 5322, 6476, 7983, 8095, 8870, 9714, 10644, 13305, 14571, 15966, 16190, 17740, 19428, 24285, 26610, 29142, 31932, 32380, 39915, 48570, 53220, 58284, 72855, 79830, 97140, 145710, 159660, 291420, 1436053, 2872106, 4308159, 5744212, 7180265, 8616318, 12924477, 14360530, 17232636, 21540795, 25848954, 28721060, 43081590, 51697908, 64622385, 86163180, 129244770, 258489540]

約数ペア:

[(1, 258489540), (2, 129244770), (3, 86163180), (4, 64622385), (5, 51697908), (6, 43081590), (9, 28721060), (10, 25848954), (12, 21540795), (15, 17232636), (18, 14360530), (20, 12924477), (30, 8616318), (36, 7180265), (45, 5744212), (60, 4308159), (90, 2872106), (180, 1436053), (887, 291420), (1619, 159660), (1774, 145710), (2661, 97140), (3238, 79830), (3548, 72855), (4435, 58284), (4857, 53220), (5322, 48570), (6476, 39915), (7983, 32380), (8095, 31932), (8870, 29142), (9714, 26610), (10644, 24285), (13305, 19428), (14571, 17740), (15966, 16190)]