28713960

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2417}}^1$

素因数の和:2448

約数の個数: 128

約数和(自身を含む): 104457600

約数和(自身を除く): 75743640

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 88, 90, 99, 108, 110, 120, 132, 135, 165, 180, 198, 216, 220, 264, 270, 297, 330, 360, 396, 440, 495, 540, 594, 660, 792, 990, 1080, 1188, 1320, 1485, 1980, 2376, 2417, 2970, 3960, 4834, 5940, 7251, 9668, 11880, 12085, 14502, 19336, 21753, 24170, 26587, 29004, 36255, 43506, 48340, 53174, 58008, 65259, 72510, 79761, 87012, 96680, 106348, 108765, 130518, 132935, 145020, 159522, 174024, 212696, 217530, 239283, 261036, 265870, 290040, 319044, 326295, 398805, 435060, 478566, 522072, 531740, 638088, 652590, 717849, 797610, 870120, 957132, 1063480, 1196415, 1305180, 1435698, 1595220, 1914264, 2392830, 2610360, 2871396, 3190440, 3589245, 4785660, 5742792, 7178490, 9571320, 14356980, 28713960]

約数ペア:

[(1, 28713960), (2, 14356980), (3, 9571320), (4, 7178490), (5, 5742792), (6, 4785660), (8, 3589245), (9, 3190440), (10, 2871396), (11, 2610360), (12, 2392830), (15, 1914264), (18, 1595220), (20, 1435698), (22, 1305180), (24, 1196415), (27, 1063480), (30, 957132), (33, 870120), (36, 797610), (40, 717849), (44, 652590), (45, 638088), (54, 531740), (55, 522072), (60, 478566), (66, 435060), (72, 398805), (88, 326295), (90, 319044), (99, 290040), (108, 265870), (110, 261036), (120, 239283), (132, 217530), (135, 212696), (165, 174024), (180, 159522), (198, 145020), (216, 132935), (220, 130518), (264, 108765), (270, 106348), (297, 96680), (330, 87012), (360, 79761), (396, 72510), (440, 65259), (495, 58008), (540, 53174), (594, 48340), (660, 43506), (792, 36255), (990, 29004), (1080, 26587), (1188, 24170), (1320, 21753), (1485, 19336), (1980, 14502), (2376, 12085), (2417, 11880), (2970, 9668), (3960, 7251), (4834, 5940)]