639109320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{33923}}^1$

素因数の和:34094

約数の個数: 64

約数和(自身を含む): 1929597120

約数和(自身を除く): 1290487800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 157, 314, 471, 628, 785, 942, 1256, 1570, 1884, 2355, 3140, 3768, 4710, 6280, 9420, 18840, 33923, 67846, 101769, 135692, 169615, 203538, 271384, 339230, 407076, 508845, 678460, 814152, 1017690, 1356920, 2035380, 4070760, 5325911, 10651822, 15977733, 21303644, 26629555, 31955466, 42607288, 53259110, 63910932, 79888665, 106518220, 127821864, 159777330, 213036440, 319554660, 639109320]

約数ペア:

[(1, 639109320), (2, 319554660), (3, 213036440), (4, 159777330), (5, 127821864), (6, 106518220), (8, 79888665), (10, 63910932), (12, 53259110), (15, 42607288), (20, 31955466), (24, 26629555), (30, 21303644), (40, 15977733), (60, 10651822), (120, 5325911), (157, 4070760), (314, 2035380), (471, 1356920), (628, 1017690), (785, 814152), (942, 678460), (1256, 508845), (1570, 407076), (1884, 339230), (2355, 271384), (3140, 203538), (3768, 169615), (4710, 135692), (6280, 101769), (9420, 67846), (18840, 33923)]