311945712

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{137}}^1$

素因数の和:291

約数の個数: 160

約数和(自身を含む): 905567040

約数和(自身を除く): 593621328

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 41, 48, 52, 78, 82, 89, 104, 123, 137, 156, 164, 178, 208, 246, 267, 274, 312, 328, 356, 411, 492, 533, 534, 548, 624, 656, 712, 822, 984, 1066, 1068, 1096, 1157, 1424, 1599, 1644, 1781, 1968, 2132, 2136, 2192, 2314, 3198, 3288, 3471, 3562, 3649, 4264, 4272, 4628, 5343, 5617, 6396, 6576, 6942, 7124, 7298, 8528, 9256, 10686, 10947, 11234, 12193, 12792, 13884, 14248, 14596, 16851, 18512, 21372, 21894, 22468, 24386, 25584, 27768, 28496, 29192, 33702, 36579, 42744, 43788, 44936, 47437, 48772, 55536, 58384, 67404, 73021, 73158, 85488, 87576, 89872, 94874, 97544, 134808, 142311, 146042, 146316, 158509, 175152, 189748, 195088, 219063, 269616, 284622, 292084, 292632, 317018, 379496, 438126, 475527, 499913, 569244, 584168, 585264, 634036, 758992, 876252, 951054, 999826, 1138488, 1168336, 1268072, 1499739, 1752504, 1902108, 1999652, 2276976, 2536144, 2999478, 3505008, 3804216, 3999304, 5998956, 6498869, 7608432, 7998608, 11997912, 12997738, 19496607, 23995824, 25995476, 38993214, 51990952, 77986428, 103981904, 155972856, 311945712]

約数ペア:

[(1, 311945712), (2, 155972856), (3, 103981904), (4, 77986428), (6, 51990952), (8, 38993214), (12, 25995476), (13, 23995824), (16, 19496607), (24, 12997738), (26, 11997912), (39, 7998608), (41, 7608432), (48, 6498869), (52, 5998956), (78, 3999304), (82, 3804216), (89, 3505008), (104, 2999478), (123, 2536144), (137, 2276976), (156, 1999652), (164, 1902108), (178, 1752504), (208, 1499739), (246, 1268072), (267, 1168336), (274, 1138488), (312, 999826), (328, 951054), (356, 876252), (411, 758992), (492, 634036), (533, 585264), (534, 584168), (548, 569244), (624, 499913), (656, 475527), (712, 438126), (822, 379496), (984, 317018), (1066, 292632), (1068, 292084), (1096, 284622), (1157, 269616), (1424, 219063), (1599, 195088), (1644, 189748), (1781, 175152), (1968, 158509), (2132, 146316), (2136, 146042), (2192, 142311), (2314, 134808), (3198, 97544), (3288, 94874), (3471, 89872), (3562, 87576), (3649, 85488), (4264, 73158), (4272, 73021), (4628, 67404), (5343, 58384), (5617, 55536), (6396, 48772), (6576, 47437), (6942, 44936), (7124, 43788), (7298, 42744), (8528, 36579), (9256, 33702), (10686, 29192), (10947, 28496), (11234, 27768), (12193, 25584), (12792, 24386), (13884, 22468), (14248, 21894), (14596, 21372), (16851, 18512)]