128380740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{19997}}^1$

素因数の和:20116

約数の個数: 48

約数和(自身を含む): 362843712

約数和(自身を除く): 234462972

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 107, 214, 321, 428, 535, 642, 1070, 1284, 1605, 2140, 3210, 6420, 19997, 39994, 59991, 79988, 99985, 119982, 199970, 239964, 299955, 399940, 599910, 1199820, 2139679, 4279358, 6419037, 8558716, 10698395, 12838074, 21396790, 25676148, 32095185, 42793580, 64190370, 128380740]

約数ペア:

[(1, 128380740), (2, 64190370), (3, 42793580), (4, 32095185), (5, 25676148), (6, 21396790), (10, 12838074), (12, 10698395), (15, 8558716), (20, 6419037), (30, 4279358), (60, 2139679), (107, 1199820), (214, 599910), (321, 399940), (428, 299955), (535, 239964), (642, 199970), (1070, 119982), (1284, 99985), (1605, 79988), (2140, 59991), (3210, 39994), (6420, 19997)]