81990570

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{191}}^1\times {\mathrm{349}}^1$

素因数の和:591

約数の個数: 64

約数和(自身を含む): 203212800

約数和(自身を除く): 121222230

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 191, 205, 246, 349, 382, 410, 573, 615, 698, 955, 1047, 1146, 1230, 1745, 1910, 2094, 2865, 3490, 5235, 5730, 7831, 10470, 14309, 15662, 23493, 28618, 39155, 42927, 46986, 66659, 71545, 78310, 85854, 117465, 133318, 143090, 199977, 214635, 234930, 333295, 399954, 429270, 666590, 999885, 1999770, 2733019, 5466038, 8199057, 13665095, 16398114, 27330190, 40995285, 81990570]

約数ペア:

[(1, 81990570), (2, 40995285), (3, 27330190), (5, 16398114), (6, 13665095), (10, 8199057), (15, 5466038), (30, 2733019), (41, 1999770), (82, 999885), (123, 666590), (191, 429270), (205, 399954), (246, 333295), (349, 234930), (382, 214635), (410, 199977), (573, 143090), (615, 133318), (698, 117465), (955, 85854), (1047, 78310), (1146, 71545), (1230, 66659), (1745, 46986), (1910, 42927), (2094, 39155), (2865, 28618), (3490, 23493), (5235, 15662), (5730, 14309), (7831, 10470)]