64958580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{509}}^1\times {\mathrm{709}}^1$

素因数の和:1233

約数の個数: 72

約数和(自身を含む): 197706600

約数和(自身を除く): 132748020

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 509, 709, 1018, 1418, 1527, 2036, 2127, 2545, 2836, 3054, 3545, 4254, 4581, 5090, 6108, 6381, 7090, 7635, 8508, 9162, 10180, 10635, 12762, 14180, 15270, 18324, 21270, 22905, 25524, 30540, 31905, 42540, 45810, 63810, 91620, 127620, 360881, 721762, 1082643, 1443524, 1804405, 2165286, 3247929, 3608810, 4330572, 5413215, 6495858, 7217620, 10826430, 12991716, 16239645, 21652860, 32479290, 64958580]

約数ペア:

[(1, 64958580), (2, 32479290), (3, 21652860), (4, 16239645), (5, 12991716), (6, 10826430), (9, 7217620), (10, 6495858), (12, 5413215), (15, 4330572), (18, 3608810), (20, 3247929), (30, 2165286), (36, 1804405), (45, 1443524), (60, 1082643), (90, 721762), (180, 360881), (509, 127620), (709, 91620), (1018, 63810), (1418, 45810), (1527, 42540), (2036, 31905), (2127, 30540), (2545, 25524), (2836, 22905), (3054, 21270), (3545, 18324), (4254, 15270), (4581, 14180), (5090, 12762), (6108, 10635), (6381, 10180), (7090, 9162), (7635, 8508)]