81915480

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1637}}^1$

素因数の和:1793

約数の個数: 96

約数和(自身を含む): 268304400

約数和(自身を除く): 186388920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 139, 180, 278, 360, 417, 556, 695, 834, 1112, 1251, 1390, 1637, 1668, 2085, 2502, 2780, 3274, 3336, 4170, 4911, 5004, 5560, 6255, 6548, 8185, 8340, 9822, 10008, 12510, 13096, 14733, 16370, 16680, 19644, 24555, 25020, 29466, 32740, 39288, 49110, 50040, 58932, 65480, 73665, 98220, 117864, 147330, 196440, 227543, 294660, 455086, 589320, 682629, 910172, 1137715, 1365258, 1820344, 2047887, 2275430, 2730516, 3413145, 4095774, 4550860, 5461032, 6826290, 8191548, 9101720, 10239435, 13652580, 16383096, 20478870, 27305160, 40957740, 81915480]

約数ペア:

[(1, 81915480), (2, 40957740), (3, 27305160), (4, 20478870), (5, 16383096), (6, 13652580), (8, 10239435), (9, 9101720), (10, 8191548), (12, 6826290), (15, 5461032), (18, 4550860), (20, 4095774), (24, 3413145), (30, 2730516), (36, 2275430), (40, 2047887), (45, 1820344), (60, 1365258), (72, 1137715), (90, 910172), (120, 682629), (139, 589320), (180, 455086), (278, 294660), (360, 227543), (417, 196440), (556, 147330), (695, 117864), (834, 98220), (1112, 73665), (1251, 65480), (1390, 58932), (1637, 50040), (1668, 49110), (2085, 39288), (2502, 32740), (2780, 29466), (3274, 25020), (3336, 24555), (4170, 19644), (4911, 16680), (5004, 16370), (5560, 14733), (6255, 13096), (6548, 12510), (8185, 10008), (8340, 9822)]