81685800

素因数分解:

$2^3\times 3^3\times 5^2\times 7^1\times {\mathrm{2161}}^1$

素因数の和:2193

約数の個数: 192

約数和(自身を含む): 321705600

約数和(自身を除く): 240019800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 25, 27, 28, 30, 35, 36, 40, 42, 45, 50, 54, 56, 60, 63, 70, 72, 75, 84, 90, 100, 105, 108, 120, 126, 135, 140, 150, 168, 175, 180, 189, 200, 210, 216, 225, 252, 270, 280, 300, 315, 350, 360, 378, 420, 450, 504, 525, 540, 600, 630, 675, 700, 756, 840, 900, 945, 1050, 1080, 1260, 1350, 1400, 1512, 1575, 1800, 1890, 2100, 2161, 2520, 2700, 3150, 3780, 4200, 4322, 4725, 5400, 6300, 6483, 7560, 8644, 9450, 10805, 12600, 12966, 15127, 17288, 18900, 19449, 21610, 25932, 30254, 32415, 37800, 38898, 43220, 45381, 51864, 54025, 58347, 60508, 64830, 75635, 77796, 86440, 90762, 97245, 108050, 116694, 121016, 129660, 136143, 151270, 155592, 162075, 181524, 194490, 216100, 226905, 233388, 259320, 272286, 291735, 302540, 324150, 363048, 378175, 388980, 408429, 432200, 453810, 466776, 486225, 544572, 583470, 605080, 648300, 680715, 756350, 777960, 816858, 907620, 972450, 1089144, 1134525, 1166940, 1296600, 1361430, 1458675, 1512700, 1633716, 1815240, 1944900, 2042145, 2269050, 2333880, 2722860, 2917350, 3025400, 3267432, 3403575, 3889800, 4084290, 4538100, 5445720, 5834700, 6807150, 8168580, 9076200, 10210725, 11669400, 13614300, 16337160, 20421450, 27228600, 40842900, 81685800]

約数ペア:

[(1, 81685800), (2, 40842900), (3, 27228600), (4, 20421450), (5, 16337160), (6, 13614300), (7, 11669400), (8, 10210725), (9, 9076200), (10, 8168580), (12, 6807150), (14, 5834700), (15, 5445720), (18, 4538100), (20, 4084290), (21, 3889800), (24, 3403575), (25, 3267432), (27, 3025400), (28, 2917350), (30, 2722860), (35, 2333880), (36, 2269050), (40, 2042145), (42, 1944900), (45, 1815240), (50, 1633716), (54, 1512700), (56, 1458675), (60, 1361430), (63, 1296600), (70, 1166940), (72, 1134525), (75, 1089144), (84, 972450), (90, 907620), (100, 816858), (105, 777960), (108, 756350), (120, 680715), (126, 648300), (135, 605080), (140, 583470), (150, 544572), (168, 486225), (175, 466776), (180, 453810), (189, 432200), (200, 408429), (210, 388980), (216, 378175), (225, 363048), (252, 324150), (270, 302540), (280, 291735), (300, 272286), (315, 259320), (350, 233388), (360, 226905), (378, 216100), (420, 194490), (450, 181524), (504, 162075), (525, 155592), (540, 151270), (600, 136143), (630, 129660), (675, 121016), (700, 116694), (756, 108050), (840, 97245), (900, 90762), (945, 86440), (1050, 77796), (1080, 75635), (1260, 64830), (1350, 60508), (1400, 58347), (1512, 54025), (1575, 51864), (1800, 45381), (1890, 43220), (2100, 38898), (2161, 37800), (2520, 32415), (2700, 30254), (3150, 25932), (3780, 21610), (4200, 19449), (4322, 18900), (4725, 17288), (5400, 15127), (6300, 12966), (6483, 12600), (7560, 10805), (8644, 9450)]