81678960

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10313}}^1$

素因数の和:10343

約数の個数: 120

約数和(自身を含む): 299271024

約数和(自身を除く): 217592064

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 3960, 7920, 10313, 20626, 30939, 41252, 51565, 61878, 82504, 92817, 103130, 113443, 123756, 154695, 165008, 185634, 206260, 226886, 247512, 309390, 340329, 371268, 412520, 453772, 464085, 495024, 567215, 618780, 680658, 742536, 825040, 907544, 928170, 1020987, 1134430, 1237560, 1361316, 1485072, 1701645, 1815088, 1856340, 2041974, 2268860, 2475120, 2722632, 3403290, 3712680, 4083948, 4537720, 5104935, 5445264, 6806580, 7425360, 8167896, 9075440, 10209870, 13613160, 16335792, 20419740, 27226320, 40839480, 81678960]

約数ペア:

[(1, 81678960), (2, 40839480), (3, 27226320), (4, 20419740), (5, 16335792), (6, 13613160), (8, 10209870), (9, 9075440), (10, 8167896), (11, 7425360), (12, 6806580), (15, 5445264), (16, 5104935), (18, 4537720), (20, 4083948), (22, 3712680), (24, 3403290), (30, 2722632), (33, 2475120), (36, 2268860), (40, 2041974), (44, 1856340), (45, 1815088), (48, 1701645), (55, 1485072), (60, 1361316), (66, 1237560), (72, 1134430), (80, 1020987), (88, 928170), (90, 907544), (99, 825040), (110, 742536), (120, 680658), (132, 618780), (144, 567215), (165, 495024), (176, 464085), (180, 453772), (198, 412520), (220, 371268), (240, 340329), (264, 309390), (330, 247512), (360, 226886), (396, 206260), (440, 185634), (495, 165008), (528, 154695), (660, 123756), (720, 113443), (792, 103130), (880, 92817), (990, 82504), (1320, 61878), (1584, 51565), (1980, 41252), (2640, 30939), (3960, 20626), (7920, 10313)]