81234420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{4271}}^1$

素因数の和:4600

約数の個数: 48

約数和(自身を含む): 228227328

約数和(自身を除く): 146992908

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 317, 634, 951, 1268, 1585, 1902, 3170, 3804, 4271, 4755, 6340, 8542, 9510, 12813, 17084, 19020, 21355, 25626, 42710, 51252, 64065, 85420, 128130, 256260, 1353907, 2707814, 4061721, 5415628, 6769535, 8123442, 13539070, 16246884, 20308605, 27078140, 40617210, 81234420]

約数ペア:

[(1, 81234420), (2, 40617210), (3, 27078140), (4, 20308605), (5, 16246884), (6, 13539070), (10, 8123442), (12, 6769535), (15, 5415628), (20, 4061721), (30, 2707814), (60, 1353907), (317, 256260), (634, 128130), (951, 85420), (1268, 64065), (1585, 51252), (1902, 42710), (3170, 25626), (3804, 21355), (4271, 19020), (4755, 17084), (6340, 12813), (8542, 9510)]