165722580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1423}}^1$

素因数の和:2085

約数の個数: 72

約数和(自身を含む): 503822592

約数和(自身を除く): 338100012

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 647, 1294, 1423, 1941, 2588, 2846, 3235, 3882, 4269, 5692, 5823, 6470, 7115, 7764, 8538, 9705, 11646, 12807, 12940, 14230, 17076, 19410, 21345, 23292, 25614, 28460, 29115, 38820, 42690, 51228, 58230, 64035, 85380, 116460, 128070, 256140, 920681, 1841362, 2762043, 3682724, 4603405, 5524086, 8286129, 9206810, 11048172, 13810215, 16572258, 18413620, 27620430, 33144516, 41430645, 55240860, 82861290, 165722580]

約数ペア:

[(1, 165722580), (2, 82861290), (3, 55240860), (4, 41430645), (5, 33144516), (6, 27620430), (9, 18413620), (10, 16572258), (12, 13810215), (15, 11048172), (18, 9206810), (20, 8286129), (30, 5524086), (36, 4603405), (45, 3682724), (60, 2762043), (90, 1841362), (180, 920681), (647, 256140), (1294, 128070), (1423, 116460), (1941, 85380), (2588, 64035), (2846, 58230), (3235, 51228), (3882, 42690), (4269, 38820), (5692, 29115), (5823, 28460), (6470, 25614), (7115, 23292), (7764, 21345), (8538, 19410), (9705, 17076), (11646, 14230), (12807, 12940)]