261321606

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1$

素因数の和:216

約数の個数: 192

約数和(自身を含む): 744629760

約数和(自身を除く): 483308154

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 39, 42, 49, 54, 63, 71, 78, 91, 98, 107, 117, 126, 142, 147, 182, 189, 213, 214, 234, 273, 294, 321, 351, 378, 426, 441, 497, 546, 637, 639, 642, 702, 749, 819, 882, 923, 963, 994, 1274, 1278, 1323, 1391, 1491, 1498, 1638, 1846, 1911, 1917, 1926, 2247, 2457, 2646, 2769, 2782, 2889, 2982, 3479, 3822, 3834, 4173, 4473, 4494, 4914, 5243, 5538, 5733, 5778, 6461, 6741, 6958, 7597, 8307, 8346, 8946, 9737, 10437, 10486, 11466, 12519, 12922, 13419, 13482, 15194, 15729, 16614, 17199, 19383, 19474, 20223, 20874, 22791, 24921, 25038, 26838, 29211, 31311, 31458, 34398, 37557, 38766, 40446, 45227, 45582, 47187, 49842, 53179, 58149, 58422, 62622, 68159, 68373, 75114, 87633, 90454, 93933, 94374, 98761, 106358, 116298, 135681, 136318, 136746, 141561, 159537, 174447, 175266, 187866, 197522, 204477, 205119, 262899, 271362, 283122, 296283, 319074, 348894, 372253, 407043, 408954, 410238, 478611, 525798, 592566, 613431, 691327, 744506, 814086, 888849, 957222, 1116759, 1221129, 1226862, 1382654, 1435833, 1777698, 1840293, 2073981, 2233518, 2442258, 2666547, 2871666, 3350277, 3680586, 4147962, 4839289, 5333094, 6221943, 6700554, 9678578, 10050831, 12443886, 14517867, 18665829, 20101662, 29035734, 37331658, 43553601, 87107202, 130660803, 261321606]

約数ペア:

[(1, 261321606), (2, 130660803), (3, 87107202), (6, 43553601), (7, 37331658), (9, 29035734), (13, 20101662), (14, 18665829), (18, 14517867), (21, 12443886), (26, 10050831), (27, 9678578), (39, 6700554), (42, 6221943), (49, 5333094), (54, 4839289), (63, 4147962), (71, 3680586), (78, 3350277), (91, 2871666), (98, 2666547), (107, 2442258), (117, 2233518), (126, 2073981), (142, 1840293), (147, 1777698), (182, 1435833), (189, 1382654), (213, 1226862), (214, 1221129), (234, 1116759), (273, 957222), (294, 888849), (321, 814086), (351, 744506), (378, 691327), (426, 613431), (441, 592566), (497, 525798), (546, 478611), (637, 410238), (639, 408954), (642, 407043), (702, 372253), (749, 348894), (819, 319074), (882, 296283), (923, 283122), (963, 271362), (994, 262899), (1274, 205119), (1278, 204477), (1323, 197522), (1391, 187866), (1491, 175266), (1498, 174447), (1638, 159537), (1846, 141561), (1911, 136746), (1917, 136318), (1926, 135681), (2247, 116298), (2457, 106358), (2646, 98761), (2769, 94374), (2782, 93933), (2889, 90454), (2982, 87633), (3479, 75114), (3822, 68373), (3834, 68159), (4173, 62622), (4473, 58422), (4494, 58149), (4914, 53179), (5243, 49842), (5538, 47187), (5733, 45582), (5778, 45227), (6461, 40446), (6741, 38766), (6958, 37557), (7597, 34398), (8307, 31458), (8346, 31311), (8946, 29211), (9737, 26838), (10437, 25038), (10486, 24921), (11466, 22791), (12519, 20874), (12922, 20223), (13419, 19474), (13482, 19383), (15194, 17199), (15729, 16614)]