21809566440

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{154153}}^1$

素因数の和:154304

約数の個数: 128

約数和(自身を含む): 73253980800

約数和(自身を除く): 51444414360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 131, 135, 180, 216, 262, 270, 360, 393, 524, 540, 655, 786, 1048, 1080, 1179, 1310, 1572, 1965, 2358, 2620, 3144, 3537, 3930, 4716, 5240, 5895, 7074, 7860, 9432, 11790, 14148, 15720, 17685, 23580, 28296, 35370, 47160, 70740, 141480, 154153, 308306, 462459, 616612, 770765, 924918, 1233224, 1387377, 1541530, 1849836, 2312295, 2774754, 3083060, 3699672, 4162131, 4624590, 5549508, 6166120, 6936885, 8324262, 9249180, 11099016, 13873770, 16648524, 18498360, 20194043, 20810655, 27747540, 33297048, 40388086, 41621310, 55495080, 60582129, 80776172, 83242620, 100970215, 121164258, 161552344, 166485240, 181746387, 201940430, 242328516, 302910645, 363492774, 403880860, 484657032, 545239161, 605821290, 726985548, 807761720, 908731935, 1090478322, 1211642580, 1453971096, 1817463870, 2180956644, 2423285160, 2726195805, 3634927740, 4361913288, 5452391610, 7269855480, 10904783220, 21809566440]

約数ペア:

[(1, 21809566440), (2, 10904783220), (3, 7269855480), (4, 5452391610), (5, 4361913288), (6, 3634927740), (8, 2726195805), (9, 2423285160), (10, 2180956644), (12, 1817463870), (15, 1453971096), (18, 1211642580), (20, 1090478322), (24, 908731935), (27, 807761720), (30, 726985548), (36, 605821290), (40, 545239161), (45, 484657032), (54, 403880860), (60, 363492774), (72, 302910645), (90, 242328516), (108, 201940430), (120, 181746387), (131, 166485240), (135, 161552344), (180, 121164258), (216, 100970215), (262, 83242620), (270, 80776172), (360, 60582129), (393, 55495080), (524, 41621310), (540, 40388086), (655, 33297048), (786, 27747540), (1048, 20810655), (1080, 20194043), (1179, 18498360), (1310, 16648524), (1572, 13873770), (1965, 11099016), (2358, 9249180), (2620, 8324262), (3144, 6936885), (3537, 6166120), (3930, 5549508), (4716, 4624590), (5240, 4162131), (5895, 3699672), (7074, 3083060), (7860, 2774754), (9432, 2312295), (11790, 1849836), (14148, 1541530), (15720, 1387377), (17685, 1233224), (23580, 924918), (28296, 770765), (35370, 616612), (47160, 462459), (70740, 308306), (141480, 154153)]