251223840

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{24923}}^1$

素因数の和:24951

約数の個数: 144

約数和(自身を含む): 979812288

約数和(自身を除く): 728588448

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, 24923, 49846, 74769, 99692, 124615, 149538, 174461, 199384, 224307, 249230, 299076, 348922, 373845, 398768, 448614, 498460, 523383, 598152, 697844, 747690, 797536, 872305, 897228, 996920, 1046766, 1121535, 1196304, 1395688, 1495380, 1570149, 1744610, 1794456, 1993840, 2093532, 2243070, 2392608, 2616915, 2791376, 2990760, 3140298, 3489220, 3588912, 3987680, 4187064, 4486140, 5233830, 5582752, 5981520, 6280596, 6978440, 7177824, 7850745, 8374128, 8972280, 10467660, 11963040, 12561192, 13956880, 15701490, 16748256, 17944560, 20935320, 25122384, 27913760, 31402980, 35889120, 41870640, 50244768, 62805960, 83741280, 125611920, 251223840]

約数ペア:

[(1, 251223840), (2, 125611920), (3, 83741280), (4, 62805960), (5, 50244768), (6, 41870640), (7, 35889120), (8, 31402980), (9, 27913760), (10, 25122384), (12, 20935320), (14, 17944560), (15, 16748256), (16, 15701490), (18, 13956880), (20, 12561192), (21, 11963040), (24, 10467660), (28, 8972280), (30, 8374128), (32, 7850745), (35, 7177824), (36, 6978440), (40, 6280596), (42, 5981520), (45, 5582752), (48, 5233830), (56, 4486140), (60, 4187064), (63, 3987680), (70, 3588912), (72, 3489220), (80, 3140298), (84, 2990760), (90, 2791376), (96, 2616915), (105, 2392608), (112, 2243070), (120, 2093532), (126, 1993840), (140, 1794456), (144, 1744610), (160, 1570149), (168, 1495380), (180, 1395688), (210, 1196304), (224, 1121535), (240, 1046766), (252, 996920), (280, 897228), (288, 872305), (315, 797536), (336, 747690), (360, 697844), (420, 598152), (480, 523383), (504, 498460), (560, 448614), (630, 398768), (672, 373845), (720, 348922), (840, 299076), (1008, 249230), (1120, 224307), (1260, 199384), (1440, 174461), (1680, 149538), (2016, 124615), (2520, 99692), (3360, 74769), (5040, 49846), (10080, 24923)]