1212780240

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{240631}}^1$

素因数の和:240657

約数の個数: 120

約数和(自身を含む): 4654785408

約数和(自身を除く): 3442005168

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 240631, 481262, 721893, 962524, 1203155, 1443786, 1684417, 1925048, 2165679, 2406310, 2887572, 3368834, 3609465, 3850096, 4331358, 4812620, 5053251, 5775144, 6737668, 7218930, 8422085, 8662716, 9625240, 10106502, 10828395, 11550288, 13475336, 14437860, 15159753, 16844170, 17325432, 19250480, 20213004, 21656790, 25266255, 26950672, 28875720, 30319506, 33688340, 34650864, 40426008, 43313580, 50532510, 57751440, 60639012, 67376680, 75798765, 80852016, 86627160, 101065020, 121278024, 134753360, 151597530, 173254320, 202130040, 242556048, 303195060, 404260080, 606390120, 1212780240]

約数ペア:

[(1, 1212780240), (2, 606390120), (3, 404260080), (4, 303195060), (5, 242556048), (6, 202130040), (7, 173254320), (8, 151597530), (9, 134753360), (10, 121278024), (12, 101065020), (14, 86627160), (15, 80852016), (16, 75798765), (18, 67376680), (20, 60639012), (21, 57751440), (24, 50532510), (28, 43313580), (30, 40426008), (35, 34650864), (36, 33688340), (40, 30319506), (42, 28875720), (45, 26950672), (48, 25266255), (56, 21656790), (60, 20213004), (63, 19250480), (70, 17325432), (72, 16844170), (80, 15159753), (84, 14437860), (90, 13475336), (105, 11550288), (112, 10828395), (120, 10106502), (126, 9625240), (140, 8662716), (144, 8422085), (168, 7218930), (180, 6737668), (210, 5775144), (240, 5053251), (252, 4812620), (280, 4331358), (315, 3850096), (336, 3609465), (360, 3368834), (420, 2887572), (504, 2406310), (560, 2165679), (630, 1925048), (720, 1684417), (840, 1443786), (1008, 1203155), (1260, 962524), (1680, 721893), (2520, 481262), (5040, 240631)]