123454920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{577}}^1\times {\mathrm{1783}}^1$

素因数の和:2374

約数の個数: 64

約数和(自身を含む): 371214720

約数和(自身を除く): 247759800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 577, 1154, 1731, 1783, 2308, 2885, 3462, 3566, 4616, 5349, 5770, 6924, 7132, 8655, 8915, 10698, 11540, 13848, 14264, 17310, 17830, 21396, 23080, 26745, 34620, 35660, 42792, 53490, 69240, 71320, 106980, 213960, 1028791, 2057582, 3086373, 4115164, 5143955, 6172746, 8230328, 10287910, 12345492, 15431865, 20575820, 24690984, 30863730, 41151640, 61727460, 123454920]

約数ペア:

[(1, 123454920), (2, 61727460), (3, 41151640), (4, 30863730), (5, 24690984), (6, 20575820), (8, 15431865), (10, 12345492), (12, 10287910), (15, 8230328), (20, 6172746), (24, 5143955), (30, 4115164), (40, 3086373), (60, 2057582), (120, 1028791), (577, 213960), (1154, 106980), (1731, 71320), (1783, 69240), (2308, 53490), (2885, 42792), (3462, 35660), (3566, 34620), (4616, 26745), (5349, 23080), (5770, 21396), (6924, 17830), (7132, 17310), (8655, 14264), (8915, 13848), (10698, 11540)]