68777720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{433}}^1$

素因数の和:493

約数の個数: 96

約数和(自身を含む): 178582320

約数和(自身を除く): 109804600

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 361, 380, 418, 433, 440, 722, 760, 836, 866, 1045, 1444, 1672, 1732, 1805, 2090, 2165, 2888, 3464, 3610, 3971, 4180, 4330, 4763, 7220, 7942, 8227, 8360, 8660, 9526, 14440, 15884, 16454, 17320, 19052, 19855, 23815, 31768, 32908, 38104, 39710, 41135, 47630, 65816, 79420, 82270, 90497, 95260, 156313, 158840, 164540, 180994, 190520, 312626, 329080, 361988, 452485, 625252, 723976, 781565, 904970, 1250504, 1563130, 1719443, 1809940, 3126260, 3438886, 3619880, 6252520, 6877772, 8597215, 13755544, 17194430, 34388860, 68777720]

約数ペア:

[(1, 68777720), (2, 34388860), (4, 17194430), (5, 13755544), (8, 8597215), (10, 6877772), (11, 6252520), (19, 3619880), (20, 3438886), (22, 3126260), (38, 1809940), (40, 1719443), (44, 1563130), (55, 1250504), (76, 904970), (88, 781565), (95, 723976), (110, 625252), (152, 452485), (190, 361988), (209, 329080), (220, 312626), (361, 190520), (380, 180994), (418, 164540), (433, 158840), (440, 156313), (722, 95260), (760, 90497), (836, 82270), (866, 79420), (1045, 65816), (1444, 47630), (1672, 41135), (1732, 39710), (1805, 38104), (2090, 32908), (2165, 31768), (2888, 23815), (3464, 19855), (3610, 19052), (3971, 17320), (4180, 16454), (4330, 15884), (4763, 14440), (7220, 9526), (7942, 8660), (8227, 8360)]