256149540

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:240

約数の個数: 240

約数和(自身を含む): 869387904

約数和(自身を除く): 613238364

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 34, 36, 45, 51, 54, 60, 68, 71, 81, 85, 90, 102, 108, 131, 135, 142, 153, 162, 170, 180, 204, 213, 255, 262, 270, 284, 306, 324, 340, 355, 393, 405, 426, 459, 510, 524, 540, 612, 639, 655, 710, 765, 786, 810, 852, 918, 1020, 1065, 1179, 1207, 1278, 1310, 1377, 1420, 1530, 1572, 1620, 1836, 1917, 1965, 2130, 2227, 2295, 2358, 2414, 2556, 2620, 2754, 3060, 3195, 3537, 3621, 3834, 3930, 4260, 4454, 4590, 4716, 4828, 5508, 5751, 5895, 6035, 6390, 6681, 6885, 7074, 7242, 7668, 7860, 8908, 9180, 9301, 9585, 10611, 10863, 11135, 11502, 11790, 12070, 12780, 13362, 13770, 14148, 14484, 17685, 18105, 18602, 19170, 20043, 21222, 21726, 22270, 23004, 23580, 24140, 26724, 27540, 27903, 28755, 32589, 33405, 35370, 36210, 37204, 38340, 40086, 42444, 43452, 44540, 46505, 53055, 54315, 55806, 57510, 60129, 65178, 66810, 70740, 72420, 80172, 83709, 93010, 97767, 100215, 106110, 108630, 111612, 115020, 120258, 130356, 133620, 139515, 158117, 162945, 167418, 180387, 186020, 195534, 200430, 212220, 217260, 240516, 251127, 279030, 300645, 316234, 325890, 334836, 360774, 391068, 400860, 418545, 474351, 488835, 502254, 558060, 601290, 632468, 651780, 721548, 753381, 790585, 837090, 901935, 948702, 977670, 1004508, 1202580, 1255635, 1423053, 1506762, 1581170, 1674180, 1803870, 1897404, 1955340, 2371755, 2511270, 2846106, 3013524, 3162340, 3607740, 3766905, 4269159, 4743510, 5022540, 5692212, 7115265, 7533810, 8538318, 9487020, 12807477, 14230530, 15067620, 17076636, 21345795, 25614954, 28461060, 42691590, 51229908, 64037385, 85383180, 128074770, 256149540]

約数ペア:

[(1, 256149540), (2, 128074770), (3, 85383180), (4, 64037385), (5, 51229908), (6, 42691590), (9, 28461060), (10, 25614954), (12, 21345795), (15, 17076636), (17, 15067620), (18, 14230530), (20, 12807477), (27, 9487020), (30, 8538318), (34, 7533810), (36, 7115265), (45, 5692212), (51, 5022540), (54, 4743510), (60, 4269159), (68, 3766905), (71, 3607740), (81, 3162340), (85, 3013524), (90, 2846106), (102, 2511270), (108, 2371755), (131, 1955340), (135, 1897404), (142, 1803870), (153, 1674180), (162, 1581170), (170, 1506762), (180, 1423053), (204, 1255635), (213, 1202580), (255, 1004508), (262, 977670), (270, 948702), (284, 901935), (306, 837090), (324, 790585), (340, 753381), (355, 721548), (393, 651780), (405, 632468), (426, 601290), (459, 558060), (510, 502254), (524, 488835), (540, 474351), (612, 418545), (639, 400860), (655, 391068), (710, 360774), (765, 334836), (786, 325890), (810, 316234), (852, 300645), (918, 279030), (1020, 251127), (1065, 240516), (1179, 217260), (1207, 212220), (1278, 200430), (1310, 195534), (1377, 186020), (1420, 180387), (1530, 167418), (1572, 162945), (1620, 158117), (1836, 139515), (1917, 133620), (1965, 130356), (2130, 120258), (2227, 115020), (2295, 111612), (2358, 108630), (2414, 106110), (2556, 100215), (2620, 97767), (2754, 93010), (3060, 83709), (3195, 80172), (3537, 72420), (3621, 70740), (3834, 66810), (3930, 65178), (4260, 60129), (4454, 57510), (4590, 55806), (4716, 54315), (4828, 53055), (5508, 46505), (5751, 44540), (5895, 43452), (6035, 42444), (6390, 40086), (6681, 38340), (6885, 37204), (7074, 36210), (7242, 35370), (7668, 33405), (7860, 32589), (8908, 28755), (9180, 27903), (9301, 27540), (9585, 26724), (10611, 24140), (10863, 23580), (11135, 23004), (11502, 22270), (11790, 21726), (12070, 21222), (12780, 20043), (13362, 19170), (13770, 18602), (14148, 18105), (14484, 17685)]