661841280

素因数分解:

$2^7\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{751}}^1$

素因数の和:799

約数の個数: 320

約数和(自身を含む): 2505919680

約数和(自身を除く): 1844078400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 27, 30, 32, 34, 36, 40, 45, 48, 51, 54, 60, 64, 68, 72, 80, 81, 85, 90, 96, 102, 108, 120, 128, 135, 136, 144, 153, 160, 162, 170, 180, 192, 204, 216, 240, 255, 270, 272, 288, 306, 320, 324, 340, 360, 384, 405, 408, 432, 459, 480, 510, 540, 544, 576, 612, 640, 648, 680, 720, 751, 765, 810, 816, 864, 918, 960, 1020, 1080, 1088, 1152, 1224, 1296, 1360, 1377, 1440, 1502, 1530, 1620, 1632, 1728, 1836, 1920, 2040, 2160, 2176, 2253, 2295, 2448, 2592, 2720, 2754, 2880, 3004, 3060, 3240, 3264, 3456, 3672, 3755, 4080, 4320, 4506, 4590, 4896, 5184, 5440, 5508, 5760, 6008, 6120, 6480, 6528, 6759, 6885, 7344, 7510, 8160, 8640, 9012, 9180, 9792, 10368, 10880, 11016, 11265, 12016, 12240, 12767, 12960, 13518, 13770, 14688, 15020, 16320, 17280, 18024, 18360, 19584, 20277, 22032, 22530, 24032, 24480, 25534, 25920, 27036, 27540, 29376, 30040, 32640, 33795, 36048, 36720, 38301, 40554, 44064, 45060, 48064, 48960, 51068, 51840, 54072, 55080, 58752, 60080, 60831, 63835, 67590, 72096, 73440, 76602, 81108, 88128, 90120, 96128, 97920, 101385, 102136, 108144, 110160, 114903, 120160, 121662, 127670, 135180, 144192, 146880, 153204, 162216, 176256, 180240, 191505, 202770, 204272, 216288, 220320, 229806, 240320, 243324, 255340, 270360, 288384, 293760, 304155, 306408, 324432, 344709, 360480, 383010, 405540, 408544, 432576, 440640, 459612, 480640, 486648, 510680, 540720, 574515, 608310, 612816, 648864, 689418, 720960, 766020, 811080, 817088, 865152, 881280, 919224, 973296, 1021360, 1034127, 1081440, 1149030, 1216620, 1225632, 1297728, 1378836, 1441920, 1532040, 1622160, 1634176, 1723545, 1838448, 1946592, 2042720, 2068254, 2162880, 2298060, 2433240, 2451264, 2595456, 2757672, 3064080, 3244320, 3447090, 3676896, 3893184, 4085440, 4136508, 4325760, 4596120, 4866480, 4902528, 5170635, 5515344, 6128160, 6488640, 6894180, 7353792, 7786368, 8170880, 8273016, 9192240, 9732960, 10341270, 11030688, 12256320, 12977280, 13788360, 14707584, 16546032, 18384480, 19465920, 20682540, 22061376, 24512640, 27576720, 33092064, 36768960, 38931840, 41365080, 44122752, 55153440, 66184128, 73537920, 82730160, 110306880, 132368256, 165460320, 220613760, 330920640, 661841280]

約数ペア:

[(1, 661841280), (2, 330920640), (3, 220613760), (4, 165460320), (5, 132368256), (6, 110306880), (8, 82730160), (9, 73537920), (10, 66184128), (12, 55153440), (15, 44122752), (16, 41365080), (17, 38931840), (18, 36768960), (20, 33092064), (24, 27576720), (27, 24512640), (30, 22061376), (32, 20682540), (34, 19465920), (36, 18384480), (40, 16546032), (45, 14707584), (48, 13788360), (51, 12977280), (54, 12256320), (60, 11030688), (64, 10341270), (68, 9732960), (72, 9192240), (80, 8273016), (81, 8170880), (85, 7786368), (90, 7353792), (96, 6894180), (102, 6488640), (108, 6128160), (120, 5515344), (128, 5170635), (135, 4902528), (136, 4866480), (144, 4596120), (153, 4325760), (160, 4136508), (162, 4085440), (170, 3893184), (180, 3676896), (192, 3447090), (204, 3244320), (216, 3064080), (240, 2757672), (255, 2595456), (270, 2451264), (272, 2433240), (288, 2298060), (306, 2162880), (320, 2068254), (324, 2042720), (340, 1946592), (360, 1838448), (384, 1723545), (405, 1634176), (408, 1622160), (432, 1532040), (459, 1441920), (480, 1378836), (510, 1297728), (540, 1225632), (544, 1216620), (576, 1149030), (612, 1081440), (640, 1034127), (648, 1021360), (680, 973296), (720, 919224), (751, 881280), (765, 865152), (810, 817088), (816, 811080), (864, 766020), (918, 720960), (960, 689418), (1020, 648864), (1080, 612816), (1088, 608310), (1152, 574515), (1224, 540720), (1296, 510680), (1360, 486648), (1377, 480640), (1440, 459612), (1502, 440640), (1530, 432576), (1620, 408544), (1632, 405540), (1728, 383010), (1836, 360480), (1920, 344709), (2040, 324432), (2160, 306408), (2176, 304155), (2253, 293760), (2295, 288384), (2448, 270360), (2592, 255340), (2720, 243324), (2754, 240320), (2880, 229806), (3004, 220320), (3060, 216288), (3240, 204272), (3264, 202770), (3456, 191505), (3672, 180240), (3755, 176256), (4080, 162216), (4320, 153204), (4506, 146880), (4590, 144192), (4896, 135180), (5184, 127670), (5440, 121662), (5508, 120160), (5760, 114903), (6008, 110160), (6120, 108144), (6480, 102136), (6528, 101385), (6759, 97920), (6885, 96128), (7344, 90120), (7510, 88128), (8160, 81108), (8640, 76602), (9012, 73440), (9180, 72096), (9792, 67590), (10368, 63835), (10880, 60831), (11016, 60080), (11265, 58752), (12016, 55080), (12240, 54072), (12767, 51840), (12960, 51068), (13518, 48960), (13770, 48064), (14688, 45060), (15020, 44064), (16320, 40554), (17280, 38301), (18024, 36720), (18360, 36048), (19584, 33795), (20277, 32640), (22032, 30040), (22530, 29376), (24032, 27540), (24480, 27036), (25534, 25920)]