81609372

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1693}}^1$

素因数の和:1819

約数の個数: 72

約数和(自身を含む): 224448224

約数和(自身を除く): 142838852

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 103, 117, 156, 206, 234, 309, 412, 468, 618, 927, 1236, 1339, 1693, 1854, 2678, 3386, 3708, 4017, 5079, 5356, 6772, 8034, 10158, 12051, 15237, 16068, 20316, 22009, 24102, 30474, 44018, 48204, 60948, 66027, 88036, 132054, 174379, 198081, 264108, 348758, 396162, 523137, 697516, 792324, 1046274, 1569411, 2092548, 2266927, 3138822, 4533854, 6277644, 6800781, 9067708, 13601562, 20402343, 27203124, 40804686, 81609372]

約数ペア:

[(1, 81609372), (2, 40804686), (3, 27203124), (4, 20402343), (6, 13601562), (9, 9067708), (12, 6800781), (13, 6277644), (18, 4533854), (26, 3138822), (36, 2266927), (39, 2092548), (52, 1569411), (78, 1046274), (103, 792324), (117, 697516), (156, 523137), (206, 396162), (234, 348758), (309, 264108), (412, 198081), (468, 174379), (618, 132054), (927, 88036), (1236, 66027), (1339, 60948), (1693, 48204), (1854, 44018), (2678, 30474), (3386, 24102), (3708, 22009), (4017, 20316), (5079, 16068), (5356, 15237), (6772, 12051), (8034, 10158)]