81857808

素因数分解:

$2^4\times 3^2\times {\mathrm{103}}^1\times {\mathrm{5519}}^1$

素因数の和:5636

約数の個数: 60

約数和(自身を含む): 231354240

約数和(自身を除く): 149496432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 103, 144, 206, 309, 412, 618, 824, 927, 1236, 1648, 1854, 2472, 3708, 4944, 5519, 7416, 11038, 14832, 16557, 22076, 33114, 44152, 49671, 66228, 88304, 99342, 132456, 198684, 264912, 397368, 568457, 794736, 1136914, 1705371, 2273828, 3410742, 4547656, 5116113, 6821484, 9095312, 10232226, 13642968, 20464452, 27285936, 40928904, 81857808]

約数ペア:

[(1, 81857808), (2, 40928904), (3, 27285936), (4, 20464452), (6, 13642968), (8, 10232226), (9, 9095312), (12, 6821484), (16, 5116113), (18, 4547656), (24, 3410742), (36, 2273828), (48, 1705371), (72, 1136914), (103, 794736), (144, 568457), (206, 397368), (309, 264912), (412, 198684), (618, 132456), (824, 99342), (927, 88304), (1236, 66228), (1648, 49671), (1854, 44152), (2472, 33114), (3708, 22076), (4944, 16557), (5519, 14832), (7416, 11038)]