67978660

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1321}}^1$

素因数の和:1444

約数の個数: 48

約数和(自身を含む): 149248512

約数和(自身を除く): 81269852

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 83, 124, 155, 166, 310, 332, 415, 620, 830, 1321, 1660, 2573, 2642, 5146, 5284, 6605, 10292, 12865, 13210, 25730, 26420, 40951, 51460, 81902, 109643, 163804, 204755, 219286, 409510, 438572, 548215, 819020, 1096430, 2192860, 3398933, 6797866, 13595732, 16994665, 33989330, 67978660]

約数ペア:

[(1, 67978660), (2, 33989330), (4, 16994665), (5, 13595732), (10, 6797866), (20, 3398933), (31, 2192860), (62, 1096430), (83, 819020), (124, 548215), (155, 438572), (166, 409510), (310, 219286), (332, 204755), (415, 163804), (620, 109643), (830, 81902), (1321, 51460), (1660, 40951), (2573, 26420), (2642, 25730), (5146, 13210), (5284, 12865), (6605, 10292)]