81911070

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{2027}}^1$

素因数の和:2489

約数の個数: 48

約数和(自身を含む): 213548400

約数和(自身を除く): 131637330

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 449, 898, 1347, 2027, 2245, 2694, 4041, 4054, 4490, 6081, 6735, 8082, 10135, 12162, 13470, 18243, 20205, 20270, 30405, 36486, 40410, 60810, 91215, 182430, 910123, 1820246, 2730369, 4550615, 5460738, 8191107, 9101230, 13651845, 16382214, 27303690, 40955535, 81911070]

約数ペア:

[(1, 81911070), (2, 40955535), (3, 27303690), (5, 16382214), (6, 13651845), (9, 9101230), (10, 8191107), (15, 5460738), (18, 4550615), (30, 2730369), (45, 1820246), (90, 910123), (449, 182430), (898, 91215), (1347, 60810), (2027, 40410), (2245, 36486), (2694, 30405), (4041, 20270), (4054, 20205), (4490, 18243), (6081, 13470), (6735, 12162), (8082, 10135)]