81664440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{4759}}^1$

素因数の和:4797

約数の個数: 128

約数和(自身を含む): 287884800

約数和(自身を除く): 206220360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 13, 15, 20, 22, 24, 26, 30, 33, 39, 40, 44, 52, 55, 60, 65, 66, 78, 88, 104, 110, 120, 130, 132, 143, 156, 165, 195, 220, 260, 264, 286, 312, 330, 390, 429, 440, 520, 572, 660, 715, 780, 858, 1144, 1320, 1430, 1560, 1716, 2145, 2860, 3432, 4290, 4759, 5720, 8580, 9518, 14277, 17160, 19036, 23795, 28554, 38072, 47590, 52349, 57108, 61867, 71385, 95180, 104698, 114216, 123734, 142770, 157047, 185601, 190360, 209396, 247468, 261745, 285540, 309335, 314094, 371202, 418792, 494936, 523490, 571080, 618670, 628188, 680537, 742404, 785235, 928005, 1046980, 1237340, 1256376, 1361074, 1484808, 1570470, 1856010, 2041611, 2093960, 2474680, 2722148, 3140940, 3402685, 3712020, 4083222, 5444296, 6281880, 6805370, 7424040, 8166444, 10208055, 13610740, 16332888, 20416110, 27221480, 40832220, 81664440]

約数ペア:

[(1, 81664440), (2, 40832220), (3, 27221480), (4, 20416110), (5, 16332888), (6, 13610740), (8, 10208055), (10, 8166444), (11, 7424040), (12, 6805370), (13, 6281880), (15, 5444296), (20, 4083222), (22, 3712020), (24, 3402685), (26, 3140940), (30, 2722148), (33, 2474680), (39, 2093960), (40, 2041611), (44, 1856010), (52, 1570470), (55, 1484808), (60, 1361074), (65, 1256376), (66, 1237340), (78, 1046980), (88, 928005), (104, 785235), (110, 742404), (120, 680537), (130, 628188), (132, 618670), (143, 571080), (156, 523490), (165, 494936), (195, 418792), (220, 371202), (260, 314094), (264, 309335), (286, 285540), (312, 261745), (330, 247468), (390, 209396), (429, 190360), (440, 185601), (520, 157047), (572, 142770), (660, 123734), (715, 114216), (780, 104698), (858, 95180), (1144, 71385), (1320, 61867), (1430, 57108), (1560, 52349), (1716, 47590), (2145, 38072), (2860, 28554), (3432, 23795), (4290, 19036), (4759, 17160), (5720, 14277), (8580, 9518)]