258985440

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{25693}}^1$

素因数の和:25721

約数の個数: 144

約数和(自身を含む): 1010082528

約数和(自身を除く): 751097088

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 25693, 51386, 77079, 102772, 128465, 154158, 179851, 205544, 231237, 256930, 308316, 359702, 385395, 411088, 462474, 513860, 539553, 616632, 719404, 770790, 822176, 899255, 924948, 1027720, 1079106, 1156185, 1233264, 1438808, 1541580, 1618659, 1798510, 1849896, 2055440, 2158212, 2312370, 2466528, 2697765, 2877616, 3083160, 3237318, 3597020, 3699792, 4110880, 4316424, 4624740, 5395530, 5755232, 6166320, 6474636, 7194040, 7399584, 8093295, 8632848, 9249480, 10791060, 12332640, 12949272, 14388080, 16186590, 17265696, 18498960, 21582120, 25898544, 28776160, 32373180, 36997920, 43164240, 51797088, 64746360, 86328480, 129492720, 258985440]

約数ペア:

[(1, 258985440), (2, 129492720), (3, 86328480), (4, 64746360), (5, 51797088), (6, 43164240), (7, 36997920), (8, 32373180), (9, 28776160), (10, 25898544), (12, 21582120), (14, 18498960), (15, 17265696), (16, 16186590), (18, 14388080), (20, 12949272), (21, 12332640), (24, 10791060), (28, 9249480), (30, 8632848), (32, 8093295), (35, 7399584), (36, 7194040), (40, 6474636), (42, 6166320), (45, 5755232), (48, 5395530), (56, 4624740), (60, 4316424), (63, 4110880), (70, 3699792), (72, 3597020), (80, 3237318), (84, 3083160), (90, 2877616), (96, 2697765), (105, 2466528), (112, 2312370), (120, 2158212), (126, 2055440), (140, 1849896), (144, 1798510), (160, 1618659), (168, 1541580), (180, 1438808), (210, 1233264), (224, 1156185), (240, 1079106), (252, 1027720), (280, 924948), (288, 899255), (315, 822176), (336, 770790), (360, 719404), (420, 616632), (480, 539553), (504, 513860), (560, 462474), (630, 411088), (672, 385395), (720, 359702), (840, 308316), (1008, 256930), (1120, 231237), (1260, 205544), (1440, 179851), (1680, 154158), (2016, 128465), (2520, 102772), (3360, 77079), (5040, 51386), (10080, 25693)]