81645264

素因数分解:

$2^4\times 3^2\times {\mathrm{139}}^1\times {\mathrm{4079}}^1$

素因数の和:4232

約数の個数: 60

約数和(自身を含む): 230193600

約数和(自身を除く): 148548336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 139, 144, 278, 417, 556, 834, 1112, 1251, 1668, 2224, 2502, 3336, 4079, 5004, 6672, 8158, 10008, 12237, 16316, 20016, 24474, 32632, 36711, 48948, 65264, 73422, 97896, 146844, 195792, 293688, 566981, 587376, 1133962, 1700943, 2267924, 3401886, 4535848, 5102829, 6803772, 9071696, 10205658, 13607544, 20411316, 27215088, 40822632, 81645264]

約数ペア:

[(1, 81645264), (2, 40822632), (3, 27215088), (4, 20411316), (6, 13607544), (8, 10205658), (9, 9071696), (12, 6803772), (16, 5102829), (18, 4535848), (24, 3401886), (36, 2267924), (48, 1700943), (72, 1133962), (139, 587376), (144, 566981), (278, 293688), (417, 195792), (556, 146844), (834, 97896), (1112, 73422), (1251, 65264), (1668, 48948), (2224, 36711), (2502, 32632), (3336, 24474), (4079, 20016), (5004, 16316), (6672, 12237), (8158, 10008)]