72973580

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1601}}^1$

素因数の和:1706

約数の個数: 48

約数和(自身を含む): 159866784

約数和(自身を除く): 86893204

約数列:

[1, 2, 4, 5, 10, 20, 43, 53, 86, 106, 172, 212, 215, 265, 430, 530, 860, 1060, 1601, 2279, 3202, 4558, 6404, 8005, 9116, 11395, 16010, 22790, 32020, 45580, 68843, 84853, 137686, 169706, 275372, 339412, 344215, 424265, 688430, 848530, 1376860, 1697060, 3648679, 7297358, 14594716, 18243395, 36486790, 72973580]

約数ペア:

[(1, 72973580), (2, 36486790), (4, 18243395), (5, 14594716), (10, 7297358), (20, 3648679), (43, 1697060), (53, 1376860), (86, 848530), (106, 688430), (172, 424265), (212, 344215), (215, 339412), (265, 275372), (430, 169706), (530, 137686), (860, 84853), (1060, 68843), (1601, 45580), (2279, 32020), (3202, 22790), (4558, 16010), (6404, 11395), (8005, 9116)]