647026320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{2695943}}^1$

素因数の和:2695959

約数の個数: 40

約数和(自身を含む): 2005782336

約数和(自身を除く): 1358756016

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 2695943, 5391886, 8087829, 10783772, 13479715, 16175658, 21567544, 26959430, 32351316, 40439145, 43135088, 53918860, 64702632, 80878290, 107837720, 129405264, 161756580, 215675440, 323513160, 647026320]

約数ペア:

[(1, 647026320), (2, 323513160), (3, 215675440), (4, 161756580), (5, 129405264), (6, 107837720), (8, 80878290), (10, 64702632), (12, 53918860), (15, 43135088), (16, 40439145), (20, 32351316), (24, 26959430), (30, 21567544), (40, 16175658), (48, 13479715), (60, 10783772), (80, 8087829), (120, 5391886), (240, 2695943)]