181636728

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{109}}^2$

素因数の和:254

約数の個数: 144

約数和(自身を含む): 574129080

約数和(自身を除く): 392492352

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 49, 52, 56, 78, 84, 91, 98, 104, 109, 147, 156, 168, 182, 196, 218, 273, 294, 312, 327, 364, 392, 436, 546, 588, 637, 654, 728, 763, 872, 1092, 1176, 1274, 1308, 1417, 1526, 1911, 2184, 2289, 2548, 2616, 2834, 3052, 3822, 4251, 4578, 5096, 5341, 5668, 6104, 7644, 8502, 9156, 9919, 10682, 11336, 11881, 15288, 16023, 17004, 18312, 19838, 21364, 23762, 29757, 32046, 34008, 35643, 39676, 42728, 47524, 59514, 64092, 69433, 71286, 79352, 83167, 95048, 119028, 128184, 138866, 142572, 154453, 166334, 208299, 238056, 249501, 277732, 285144, 308906, 332668, 416598, 463359, 499002, 555464, 582169, 617812, 665336, 833196, 926718, 998004, 1081171, 1164338, 1235624, 1666392, 1746507, 1853436, 1996008, 2162342, 2328676, 3243513, 3493014, 3706872, 4324684, 4657352, 6487026, 6986028, 7568197, 8649368, 12974052, 13972056, 15136394, 22704591, 25948104, 30272788, 45409182, 60545576, 90818364, 181636728]

約数ペア:

[(1, 181636728), (2, 90818364), (3, 60545576), (4, 45409182), (6, 30272788), (7, 25948104), (8, 22704591), (12, 15136394), (13, 13972056), (14, 12974052), (21, 8649368), (24, 7568197), (26, 6986028), (28, 6487026), (39, 4657352), (42, 4324684), (49, 3706872), (52, 3493014), (56, 3243513), (78, 2328676), (84, 2162342), (91, 1996008), (98, 1853436), (104, 1746507), (109, 1666392), (147, 1235624), (156, 1164338), (168, 1081171), (182, 998004), (196, 926718), (218, 833196), (273, 665336), (294, 617812), (312, 582169), (327, 555464), (364, 499002), (392, 463359), (436, 416598), (546, 332668), (588, 308906), (637, 285144), (654, 277732), (728, 249501), (763, 238056), (872, 208299), (1092, 166334), (1176, 154453), (1274, 142572), (1308, 138866), (1417, 128184), (1526, 119028), (1911, 95048), (2184, 83167), (2289, 79352), (2548, 71286), (2616, 69433), (2834, 64092), (3052, 59514), (3822, 47524), (4251, 42728), (4578, 39676), (5096, 35643), (5341, 34008), (5668, 32046), (6104, 29757), (7644, 23762), (8502, 21364), (9156, 19838), (9919, 18312), (10682, 17004), (11336, 16023), (11881, 15288)]