421640856

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1129}}^1$

素因数の和:1183

約数の個数: 256

約数和(自身を含む): 1518720000

約数和(自身を除く): 1097079144

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 13, 14, 18, 19, 21, 24, 26, 27, 28, 36, 38, 39, 42, 52, 54, 56, 57, 63, 72, 76, 78, 84, 91, 104, 108, 114, 117, 126, 133, 152, 156, 168, 171, 182, 189, 216, 228, 234, 247, 252, 266, 273, 312, 342, 351, 364, 378, 399, 456, 468, 494, 504, 513, 532, 546, 684, 702, 728, 741, 756, 798, 819, 936, 988, 1026, 1064, 1092, 1129, 1197, 1368, 1404, 1482, 1512, 1596, 1638, 1729, 1976, 2052, 2184, 2223, 2258, 2394, 2457, 2808, 2964, 3192, 3276, 3387, 3458, 3591, 4104, 4446, 4516, 4788, 4914, 5187, 5928, 6552, 6669, 6774, 6916, 7182, 7903, 8892, 9032, 9576, 9828, 10161, 10374, 13338, 13548, 13832, 14364, 14677, 15561, 15806, 17784, 19656, 20322, 20748, 21451, 23709, 26676, 27096, 28728, 29354, 30483, 31122, 31612, 40644, 41496, 42902, 44031, 46683, 47418, 53352, 58708, 60966, 62244, 63224, 64353, 71127, 81288, 85804, 88062, 93366, 94836, 102739, 117416, 121932, 124488, 128706, 132093, 142254, 150157, 171608, 176124, 186732, 189672, 193059, 205478, 213381, 243864, 257412, 264186, 278863, 284508, 300314, 308217, 352248, 373464, 386118, 396279, 410956, 426762, 450471, 514824, 528372, 557726, 569016, 579177, 600628, 616434, 772236, 792558, 821912, 836589, 853524, 900942, 924651, 1056744, 1115452, 1158354, 1201256, 1232868, 1351413, 1544472, 1585116, 1673178, 1707048, 1801884, 1849302, 1952041, 2230904, 2316708, 2465736, 2509767, 2702826, 2773953, 3170232, 3346356, 3603768, 3698604, 3904082, 4054239, 4633416, 5019534, 5405652, 5547906, 5856123, 6692712, 7397208, 7529301, 7808164, 8108478, 10039068, 10811304, 11095812, 11712246, 15058602, 15616328, 16216956, 17568369, 20078136, 22191624, 23424492, 30117204, 32433912, 35136738, 46848984, 52705107, 60234408, 70273476, 105410214, 140546952, 210820428, 421640856]

約数ペア:

[(1, 421640856), (2, 210820428), (3, 140546952), (4, 105410214), (6, 70273476), (7, 60234408), (8, 52705107), (9, 46848984), (12, 35136738), (13, 32433912), (14, 30117204), (18, 23424492), (19, 22191624), (21, 20078136), (24, 17568369), (26, 16216956), (27, 15616328), (28, 15058602), (36, 11712246), (38, 11095812), (39, 10811304), (42, 10039068), (52, 8108478), (54, 7808164), (56, 7529301), (57, 7397208), (63, 6692712), (72, 5856123), (76, 5547906), (78, 5405652), (84, 5019534), (91, 4633416), (104, 4054239), (108, 3904082), (114, 3698604), (117, 3603768), (126, 3346356), (133, 3170232), (152, 2773953), (156, 2702826), (168, 2509767), (171, 2465736), (182, 2316708), (189, 2230904), (216, 1952041), (228, 1849302), (234, 1801884), (247, 1707048), (252, 1673178), (266, 1585116), (273, 1544472), (312, 1351413), (342, 1232868), (351, 1201256), (364, 1158354), (378, 1115452), (399, 1056744), (456, 924651), (468, 900942), (494, 853524), (504, 836589), (513, 821912), (532, 792558), (546, 772236), (684, 616434), (702, 600628), (728, 579177), (741, 569016), (756, 557726), (798, 528372), (819, 514824), (936, 450471), (988, 426762), (1026, 410956), (1064, 396279), (1092, 386118), (1129, 373464), (1197, 352248), (1368, 308217), (1404, 300314), (1482, 284508), (1512, 278863), (1596, 264186), (1638, 257412), (1729, 243864), (1976, 213381), (2052, 205478), (2184, 193059), (2223, 189672), (2258, 186732), (2394, 176124), (2457, 171608), (2808, 150157), (2964, 142254), (3192, 132093), (3276, 128706), (3387, 124488), (3458, 121932), (3591, 117416), (4104, 102739), (4446, 94836), (4516, 93366), (4788, 88062), (4914, 85804), (5187, 81288), (5928, 71127), (6552, 64353), (6669, 63224), (6774, 62244), (6916, 60966), (7182, 58708), (7903, 53352), (8892, 47418), (9032, 46683), (9576, 44031), (9828, 42902), (10161, 41496), (10374, 40644), (13338, 31612), (13548, 31122), (13832, 30483), (14364, 29354), (14677, 28728), (15561, 27096), (15806, 26676), (17784, 23709), (19656, 21451), (20322, 20748)]