257913018720

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{25586609}}^1$

素因数の和:25586637

約数の個数: 144

約数和(自身を含む): 1005860812320

約数和(自身を除く): 747947793600

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, 25586609, 51173218, 76759827, 102346436, 127933045, 153519654, 179106263, 204692872, 230279481, 255866090, 307039308, 358212526, 383799135, 409385744, 460558962, 511732180, 537318789, 614078616, 716425052, 767598270, 818771488, 895531315, 921117924, 1023464360, 1074637578, 1151397405, 1228157232, 1432850104, 1535196540, 1611956367, 1791062630, 1842235848, 2046928720, 2149275156, 2302794810, 2456314464, 2686593945, 2865700208, 3070393080, 3223912734, 3582125260, 3684471696, 4093857440, 4298550312, 4605589620, 5373187890, 5731400416, 6140786160, 6447825468, 7164250520, 7368943392, 8059781835, 8597100624, 9211179240, 10746375780, 12281572320, 12895650936, 14328501040, 16119563670, 17194201248, 18422358480, 21492751560, 25791301872, 28657002080, 32239127340, 36844716960, 42985503120, 51582603744, 64478254680, 85971006240, 128956509360, 257913018720]

約数ペア:

[(1, 257913018720), (2, 128956509360), (3, 85971006240), (4, 64478254680), (5, 51582603744), (6, 42985503120), (7, 36844716960), (8, 32239127340), (9, 28657002080), (10, 25791301872), (12, 21492751560), (14, 18422358480), (15, 17194201248), (16, 16119563670), (18, 14328501040), (20, 12895650936), (21, 12281572320), (24, 10746375780), (28, 9211179240), (30, 8597100624), (32, 8059781835), (35, 7368943392), (36, 7164250520), (40, 6447825468), (42, 6140786160), (45, 5731400416), (48, 5373187890), (56, 4605589620), (60, 4298550312), (63, 4093857440), (70, 3684471696), (72, 3582125260), (80, 3223912734), (84, 3070393080), (90, 2865700208), (96, 2686593945), (105, 2456314464), (112, 2302794810), (120, 2149275156), (126, 2046928720), (140, 1842235848), (144, 1791062630), (160, 1611956367), (168, 1535196540), (180, 1432850104), (210, 1228157232), (224, 1151397405), (240, 1074637578), (252, 1023464360), (280, 921117924), (288, 895531315), (315, 818771488), (336, 767598270), (360, 716425052), (420, 614078616), (480, 537318789), (504, 511732180), (560, 460558962), (630, 409385744), (672, 383799135), (720, 358212526), (840, 307039308), (1008, 255866090), (1120, 230279481), (1260, 204692872), (1440, 179106263), (1680, 153519654), (2016, 127933045), (2520, 102346436), (3360, 76759827), (5040, 51173218), (10080, 25586609)]