66994320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{279143}}^1$

素因数の和:279159

約数の個数: 40

約数和(自身を含む): 207683136

約数和(自身を除く): 140688816

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 279143, 558286, 837429, 1116572, 1395715, 1674858, 2233144, 2791430, 3349716, 4187145, 4466288, 5582860, 6699432, 8374290, 11165720, 13398864, 16748580, 22331440, 33497160, 66994320]

約数ペア:

[(1, 66994320), (2, 33497160), (3, 22331440), (4, 16748580), (5, 13398864), (6, 11165720), (8, 8374290), (10, 6699432), (12, 5582860), (15, 4466288), (16, 4187145), (20, 3349716), (24, 2791430), (30, 2233144), (40, 1674858), (48, 1395715), (60, 1116572), (80, 837429), (120, 558286), (240, 279143)]