28947720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1619}}^1$

素因数の和:1782

約数の個数: 64

約数和(自身を含む): 87480000

約数和(自身を除く): 58532280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 149, 298, 447, 596, 745, 894, 1192, 1490, 1619, 1788, 2235, 2980, 3238, 3576, 4470, 4857, 5960, 6476, 8095, 8940, 9714, 12952, 16190, 17880, 19428, 24285, 32380, 38856, 48570, 64760, 97140, 194280, 241231, 482462, 723693, 964924, 1206155, 1447386, 1929848, 2412310, 2894772, 3618465, 4824620, 5789544, 7236930, 9649240, 14473860, 28947720]

約数ペア:

[(1, 28947720), (2, 14473860), (3, 9649240), (4, 7236930), (5, 5789544), (6, 4824620), (8, 3618465), (10, 2894772), (12, 2412310), (15, 1929848), (20, 1447386), (24, 1206155), (30, 964924), (40, 723693), (60, 482462), (120, 241231), (149, 194280), (298, 97140), (447, 64760), (596, 48570), (745, 38856), (894, 32380), (1192, 24285), (1490, 19428), (1619, 17880), (1788, 16190), (2235, 12952), (2980, 9714), (3238, 8940), (3576, 8095), (4470, 6476), (4857, 5960)]