263808720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3079}}^1$

素因数の和:3122

約数の個数: 240

約数和(自身を含む): 1072431360

約数和(自身を除く): 808622640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 17, 18, 20, 21, 24, 28, 30, 34, 35, 36, 40, 42, 45, 48, 51, 56, 60, 63, 68, 70, 72, 80, 84, 85, 90, 102, 105, 112, 119, 120, 126, 136, 140, 144, 153, 168, 170, 180, 204, 210, 238, 240, 252, 255, 272, 280, 306, 315, 336, 340, 357, 360, 408, 420, 476, 504, 510, 560, 595, 612, 630, 680, 714, 720, 765, 816, 840, 952, 1008, 1020, 1071, 1190, 1224, 1260, 1360, 1428, 1530, 1680, 1785, 1904, 2040, 2142, 2380, 2448, 2520, 2856, 3060, 3079, 3570, 4080, 4284, 4760, 5040, 5355, 5712, 6120, 6158, 7140, 8568, 9237, 9520, 10710, 12240, 12316, 14280, 15395, 17136, 18474, 21420, 21553, 24632, 27711, 28560, 30790, 36948, 42840, 43106, 46185, 49264, 52343, 55422, 61580, 64659, 73896, 85680, 86212, 92370, 104686, 107765, 110844, 123160, 129318, 138555, 147792, 157029, 172424, 184740, 193977, 209372, 215530, 221688, 246320, 258636, 261715, 277110, 314058, 323295, 344848, 366401, 369480, 387954, 418744, 431060, 443376, 471087, 517272, 523430, 554220, 628116, 646590, 732802, 738960, 775908, 785145, 837488, 862120, 942174, 969885, 1034544, 1046860, 1099203, 1108440, 1256232, 1293180, 1465604, 1551816, 1570290, 1724240, 1832005, 1884348, 1939770, 2093720, 2198406, 2216880, 2355435, 2512464, 2586360, 2931208, 3103632, 3140580, 3297609, 3664010, 3768696, 3879540, 4187440, 4396812, 4710870, 5172720, 5496015, 5862416, 6281160, 6595218, 7328020, 7537392, 7759080, 8793624, 9421740, 10992030, 12562320, 13190436, 14656040, 15518160, 16488045, 17587248, 18843480, 21984060, 26380872, 29312080, 32976090, 37686960, 43968120, 52761744, 65952180, 87936240, 131904360, 263808720]

約数ペア:

[(1, 263808720), (2, 131904360), (3, 87936240), (4, 65952180), (5, 52761744), (6, 43968120), (7, 37686960), (8, 32976090), (9, 29312080), (10, 26380872), (12, 21984060), (14, 18843480), (15, 17587248), (16, 16488045), (17, 15518160), (18, 14656040), (20, 13190436), (21, 12562320), (24, 10992030), (28, 9421740), (30, 8793624), (34, 7759080), (35, 7537392), (36, 7328020), (40, 6595218), (42, 6281160), (45, 5862416), (48, 5496015), (51, 5172720), (56, 4710870), (60, 4396812), (63, 4187440), (68, 3879540), (70, 3768696), (72, 3664010), (80, 3297609), (84, 3140580), (85, 3103632), (90, 2931208), (102, 2586360), (105, 2512464), (112, 2355435), (119, 2216880), (120, 2198406), (126, 2093720), (136, 1939770), (140, 1884348), (144, 1832005), (153, 1724240), (168, 1570290), (170, 1551816), (180, 1465604), (204, 1293180), (210, 1256232), (238, 1108440), (240, 1099203), (252, 1046860), (255, 1034544), (272, 969885), (280, 942174), (306, 862120), (315, 837488), (336, 785145), (340, 775908), (357, 738960), (360, 732802), (408, 646590), (420, 628116), (476, 554220), (504, 523430), (510, 517272), (560, 471087), (595, 443376), (612, 431060), (630, 418744), (680, 387954), (714, 369480), (720, 366401), (765, 344848), (816, 323295), (840, 314058), (952, 277110), (1008, 261715), (1020, 258636), (1071, 246320), (1190, 221688), (1224, 215530), (1260, 209372), (1360, 193977), (1428, 184740), (1530, 172424), (1680, 157029), (1785, 147792), (1904, 138555), (2040, 129318), (2142, 123160), (2380, 110844), (2448, 107765), (2520, 104686), (2856, 92370), (3060, 86212), (3079, 85680), (3570, 73896), (4080, 64659), (4284, 61580), (4760, 55422), (5040, 52343), (5355, 49264), (5712, 46185), (6120, 43106), (6158, 42840), (7140, 36948), (8568, 30790), (9237, 28560), (9520, 27711), (10710, 24632), (12240, 21553), (12316, 21420), (14280, 18474), (15395, 17136)]