1621140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{659}}^1$

素因数の和:712

約数の個数: 48

約数和(自身を含む): 4656960

約数和(自身を除く): 3035820

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 41, 60, 82, 123, 164, 205, 246, 410, 492, 615, 659, 820, 1230, 1318, 1977, 2460, 2636, 3295, 3954, 6590, 7908, 9885, 13180, 19770, 27019, 39540, 54038, 81057, 108076, 135095, 162114, 270190, 324228, 405285, 540380, 810570, 1621140]

約数ペア:

[(1, 1621140), (2, 810570), (3, 540380), (4, 405285), (5, 324228), (6, 270190), (10, 162114), (12, 135095), (15, 108076), (20, 81057), (30, 54038), (41, 39540), (60, 27019), (82, 19770), (123, 13180), (164, 9885), (205, 7908), (246, 6590), (410, 3954), (492, 3295), (615, 2636), (659, 2460), (820, 1977), (1230, 1318)]