261218160

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{51829}}^1$

素因数の和:51855

約数の個数: 120

約数和(自身を含む): 1002599520

約数和(自身を除く): 741381360

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, 51829, 103658, 155487, 207316, 259145, 310974, 362803, 414632, 466461, 518290, 621948, 725606, 777435, 829264, 932922, 1036580, 1088409, 1243896, 1451212, 1554870, 1814015, 1865844, 2073160, 2176818, 2332305, 2487792, 2902424, 3109740, 3265227, 3628030, 3731688, 4146320, 4353636, 4664610, 5442045, 5804848, 6219480, 6530454, 7256060, 7463376, 8707272, 9329220, 10884090, 12438960, 13060908, 14512120, 16326135, 17414544, 18658440, 21768180, 26121816, 29024240, 32652270, 37316880, 43536360, 52243632, 65304540, 87072720, 130609080, 261218160]

約数ペア:

[(1, 261218160), (2, 130609080), (3, 87072720), (4, 65304540), (5, 52243632), (6, 43536360), (7, 37316880), (8, 32652270), (9, 29024240), (10, 26121816), (12, 21768180), (14, 18658440), (15, 17414544), (16, 16326135), (18, 14512120), (20, 13060908), (21, 12438960), (24, 10884090), (28, 9329220), (30, 8707272), (35, 7463376), (36, 7256060), (40, 6530454), (42, 6219480), (45, 5804848), (48, 5442045), (56, 4664610), (60, 4353636), (63, 4146320), (70, 3731688), (72, 3628030), (80, 3265227), (84, 3109740), (90, 2902424), (105, 2487792), (112, 2332305), (120, 2176818), (126, 2073160), (140, 1865844), (144, 1814015), (168, 1554870), (180, 1451212), (210, 1243896), (240, 1088409), (252, 1036580), (280, 932922), (315, 829264), (336, 777435), (360, 725606), (420, 621948), (504, 518290), (560, 466461), (630, 414632), (720, 362803), (840, 310974), (1008, 259145), (1260, 207316), (1680, 155487), (2520, 103658), (5040, 51829)]