64807320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{540061}}^1$

素因数の和:540075

約数の個数: 32

約数和(自身を含む): 194422320

約数和(自身を除く): 129615000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 540061, 1080122, 1620183, 2160244, 2700305, 3240366, 4320488, 5400610, 6480732, 8100915, 10801220, 12961464, 16201830, 21602440, 32403660, 64807320]

約数ペア:

[(1, 64807320), (2, 32403660), (3, 21602440), (4, 16201830), (5, 12961464), (6, 10801220), (8, 8100915), (10, 6480732), (12, 5400610), (15, 4320488), (20, 3240366), (24, 2700305), (30, 2160244), (40, 1620183), (60, 1080122), (120, 540061)]