81358890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{401}}^1\times {\mathrm{6763}}^1$

素因数の和:7174

約数の個数: 32

約数和(自身を含む): 195777216

約数和(自身を除く): 114418326

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 401, 802, 1203, 2005, 2406, 4010, 6015, 6763, 12030, 13526, 20289, 33815, 40578, 67630, 101445, 202890, 2711963, 5423926, 8135889, 13559815, 16271778, 27119630, 40679445, 81358890]

約数ペア:

[(1, 81358890), (2, 40679445), (3, 27119630), (5, 16271778), (6, 13559815), (10, 8135889), (15, 5423926), (30, 2711963), (401, 202890), (802, 101445), (1203, 67630), (2005, 40578), (2406, 33815), (4010, 20289), (6015, 13526), (6763, 12030)]