28282440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1117}}^1$

素因数の和:1342

約数の個数: 64

約数和(自身を含む): 85325760

約数和(自身を除く): 57043320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 211, 422, 633, 844, 1055, 1117, 1266, 1688, 2110, 2234, 2532, 3165, 3351, 4220, 4468, 5064, 5585, 6330, 6702, 8440, 8936, 11170, 12660, 13404, 16755, 22340, 25320, 26808, 33510, 44680, 67020, 134040, 235687, 471374, 707061, 942748, 1178435, 1414122, 1885496, 2356870, 2828244, 3535305, 4713740, 5656488, 7070610, 9427480, 14141220, 28282440]

約数ペア:

[(1, 28282440), (2, 14141220), (3, 9427480), (4, 7070610), (5, 5656488), (6, 4713740), (8, 3535305), (10, 2828244), (12, 2356870), (15, 1885496), (20, 1414122), (24, 1178435), (30, 942748), (40, 707061), (60, 471374), (120, 235687), (211, 134040), (422, 67020), (633, 44680), (844, 33510), (1055, 26808), (1117, 25320), (1266, 22340), (1688, 16755), (2110, 13404), (2234, 12660), (2532, 11170), (3165, 8936), (3351, 8440), (4220, 6702), (4468, 6330), (5064, 5585)]