279800640

素因数分解:

$2^6\times 3^2\times 5^1\times 7^1\times {\mathrm{13879}}^1$

素因数の和:13909

約数の個数: 168

約数和(自身を含む): 1099962240

約数和(自身を除く): 820161600

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, 64, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 192, 210, 224, 240, 252, 280, 288, 315, 320, 336, 360, 420, 448, 480, 504, 560, 576, 630, 672, 720, 840, 960, 1008, 1120, 1260, 1344, 1440, 1680, 2016, 2240, 2520, 2880, 3360, 4032, 5040, 6720, 10080, 13879, 20160, 27758, 41637, 55516, 69395, 83274, 97153, 111032, 124911, 138790, 166548, 194306, 208185, 222064, 249822, 277580, 291459, 333096, 388612, 416370, 444128, 485765, 499644, 555160, 582918, 624555, 666192, 777224, 832740, 874377, 888256, 971530, 999288, 1110320, 1165836, 1249110, 1332384, 1457295, 1554448, 1665480, 1748754, 1943060, 1998576, 2220640, 2331672, 2498220, 2664768, 2914590, 3108896, 3330960, 3497508, 3886120, 3997152, 4371885, 4441280, 4663344, 4996440, 5829180, 6217792, 6661920, 6995016, 7772240, 7994304, 8743770, 9326688, 9992880, 11658360, 13323840, 13990032, 15544480, 17487540, 18653376, 19985760, 23316720, 27980064, 31088960, 34975080, 39971520, 46633440, 55960128, 69950160, 93266880, 139900320, 279800640]

約数ペア:

[(1, 279800640), (2, 139900320), (3, 93266880), (4, 69950160), (5, 55960128), (6, 46633440), (7, 39971520), (8, 34975080), (9, 31088960), (10, 27980064), (12, 23316720), (14, 19985760), (15, 18653376), (16, 17487540), (18, 15544480), (20, 13990032), (21, 13323840), (24, 11658360), (28, 9992880), (30, 9326688), (32, 8743770), (35, 7994304), (36, 7772240), (40, 6995016), (42, 6661920), (45, 6217792), (48, 5829180), (56, 4996440), (60, 4663344), (63, 4441280), (64, 4371885), (70, 3997152), (72, 3886120), (80, 3497508), (84, 3330960), (90, 3108896), (96, 2914590), (105, 2664768), (112, 2498220), (120, 2331672), (126, 2220640), (140, 1998576), (144, 1943060), (160, 1748754), (168, 1665480), (180, 1554448), (192, 1457295), (210, 1332384), (224, 1249110), (240, 1165836), (252, 1110320), (280, 999288), (288, 971530), (315, 888256), (320, 874377), (336, 832740), (360, 777224), (420, 666192), (448, 624555), (480, 582918), (504, 555160), (560, 499644), (576, 485765), (630, 444128), (672, 416370), (720, 388612), (840, 333096), (960, 291459), (1008, 277580), (1120, 249822), (1260, 222064), (1344, 208185), (1440, 194306), (1680, 166548), (2016, 138790), (2240, 124911), (2520, 111032), (2880, 97153), (3360, 83274), (4032, 69395), (5040, 55516), (6720, 41637), (10080, 27758), (13879, 20160)]