81298800

素因数分解:

$2^4\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2053}}^1$

素因数の和:2088

約数の個数: 180

約数和(自身を含む): 307927464

約数和(自身を除く): 226628664

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 25, 30, 33, 36, 40, 44, 45, 48, 50, 55, 60, 66, 72, 75, 80, 88, 90, 99, 100, 110, 120, 132, 144, 150, 165, 176, 180, 198, 200, 220, 225, 240, 264, 275, 300, 330, 360, 396, 400, 440, 450, 495, 528, 550, 600, 660, 720, 792, 825, 880, 900, 990, 1100, 1200, 1320, 1584, 1650, 1800, 1980, 2053, 2200, 2475, 2640, 3300, 3600, 3960, 4106, 4400, 4950, 6159, 6600, 7920, 8212, 9900, 10265, 12318, 13200, 16424, 18477, 19800, 20530, 22583, 24636, 30795, 32848, 36954, 39600, 41060, 45166, 49272, 51325, 61590, 67749, 73908, 82120, 90332, 92385, 98544, 102650, 112915, 123180, 135498, 147816, 153975, 164240, 180664, 184770, 203247, 205300, 225830, 246360, 270996, 295632, 307950, 338745, 361328, 369540, 406494, 410600, 451660, 461925, 492720, 541992, 564575, 615900, 677490, 739080, 812988, 821200, 903320, 923850, 1016235, 1083984, 1129150, 1231800, 1354980, 1478160, 1625976, 1693725, 1806640, 1847700, 2032470, 2258300, 2463600, 2709960, 3251952, 3387450, 3695400, 4064940, 4516600, 5081175, 5419920, 6774900, 7390800, 8129880, 9033200, 10162350, 13549800, 16259760, 20324700, 27099600, 40649400, 81298800]

約数ペア:

[(1, 81298800), (2, 40649400), (3, 27099600), (4, 20324700), (5, 16259760), (6, 13549800), (8, 10162350), (9, 9033200), (10, 8129880), (11, 7390800), (12, 6774900), (15, 5419920), (16, 5081175), (18, 4516600), (20, 4064940), (22, 3695400), (24, 3387450), (25, 3251952), (30, 2709960), (33, 2463600), (36, 2258300), (40, 2032470), (44, 1847700), (45, 1806640), (48, 1693725), (50, 1625976), (55, 1478160), (60, 1354980), (66, 1231800), (72, 1129150), (75, 1083984), (80, 1016235), (88, 923850), (90, 903320), (99, 821200), (100, 812988), (110, 739080), (120, 677490), (132, 615900), (144, 564575), (150, 541992), (165, 492720), (176, 461925), (180, 451660), (198, 410600), (200, 406494), (220, 369540), (225, 361328), (240, 338745), (264, 307950), (275, 295632), (300, 270996), (330, 246360), (360, 225830), (396, 205300), (400, 203247), (440, 184770), (450, 180664), (495, 164240), (528, 153975), (550, 147816), (600, 135498), (660, 123180), (720, 112915), (792, 102650), (825, 98544), (880, 92385), (900, 90332), (990, 82120), (1100, 73908), (1200, 67749), (1320, 61590), (1584, 51325), (1650, 49272), (1800, 45166), (1980, 41060), (2053, 39600), (2200, 36954), (2475, 32848), (2640, 30795), (3300, 24636), (3600, 22583), (3960, 20530), (4106, 19800), (4400, 18477), (4950, 16424), (6159, 13200), (6600, 12318), (7920, 10265), (8212, 9900)]