71332020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2851}}^1$

素因数の和:3005

約数の個数: 72

約数和(自身を含む): 218006880

約数和(自身を除く): 146674860

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 180, 278, 417, 556, 695, 834, 1251, 1390, 1668, 2085, 2502, 2780, 2851, 4170, 5004, 5702, 6255, 8340, 8553, 11404, 12510, 14255, 17106, 25020, 25659, 28510, 34212, 42765, 51318, 57020, 85530, 102636, 128295, 171060, 256590, 396289, 513180, 792578, 1188867, 1585156, 1981445, 2377734, 3566601, 3962890, 4755468, 5944335, 7133202, 7925780, 11888670, 14266404, 17833005, 23777340, 35666010, 71332020]

約数ペア:

[(1, 71332020), (2, 35666010), (3, 23777340), (4, 17833005), (5, 14266404), (6, 11888670), (9, 7925780), (10, 7133202), (12, 5944335), (15, 4755468), (18, 3962890), (20, 3566601), (30, 2377734), (36, 1981445), (45, 1585156), (60, 1188867), (90, 792578), (139, 513180), (180, 396289), (278, 256590), (417, 171060), (556, 128295), (695, 102636), (834, 85530), (1251, 57020), (1390, 51318), (1668, 42765), (2085, 34212), (2502, 28510), (2780, 25659), (2851, 25020), (4170, 17106), (5004, 14255), (5702, 12510), (6255, 11404), (8340, 8553)]