1561231728

素因数分解:

$2^4\times 3^2\times 7^3\times {\mathrm{73}}^1\times {\mathrm{433}}^1$

素因数の和:541

約数の個数: 240

約数和(自身を含む): 5177099200

約数和(自身を除く): 3615867472

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 49, 56, 63, 72, 73, 84, 98, 112, 126, 144, 146, 147, 168, 196, 219, 252, 292, 294, 336, 343, 392, 433, 438, 441, 504, 511, 584, 588, 657, 686, 784, 866, 876, 882, 1008, 1022, 1029, 1168, 1176, 1299, 1314, 1372, 1533, 1732, 1752, 1764, 2044, 2058, 2352, 2598, 2628, 2744, 3031, 3066, 3087, 3464, 3504, 3528, 3577, 3897, 4088, 4116, 4599, 5196, 5256, 5488, 6062, 6132, 6174, 6928, 7056, 7154, 7794, 8176, 8232, 9093, 9198, 10392, 10512, 10731, 12124, 12264, 12348, 14308, 15588, 16464, 18186, 18396, 20784, 21217, 21462, 24248, 24528, 24696, 25039, 27279, 28616, 31176, 31609, 32193, 36372, 36792, 42434, 42924, 48496, 49392, 50078, 54558, 57232, 62352, 63218, 63651, 64386, 72744, 73584, 75117, 84868, 85848, 94827, 100156, 109116, 126436, 127302, 128772, 145488, 148519, 150234, 169736, 171696, 189654, 190953, 200312, 218232, 221263, 225351, 252872, 254604, 257544, 284481, 297038, 300468, 339472, 379308, 381906, 400624, 436464, 442526, 445557, 450702, 505744, 509208, 515088, 568962, 594076, 600936, 663789, 758616, 763812, 885052, 891114, 901404, 1018416, 1137924, 1188152, 1201872, 1327578, 1336671, 1517232, 1527624, 1548841, 1770104, 1782228, 1802808, 1991367, 2275848, 2376304, 2655156, 2673342, 3055248, 3097682, 3540208, 3564456, 3605616, 3982734, 4551696, 4646523, 5310312, 5346684, 6195364, 7128912, 7965468, 9293046, 10620624, 10693368, 10841887, 12390728, 13939569, 15930936, 18586092, 21386736, 21683774, 24781456, 27879138, 31861872, 32525661, 37172184, 43367548, 55758276, 65051322, 74344368, 86735096, 97576983, 111516552, 130102644, 173470192, 195153966, 223033104, 260205288, 390307932, 520410576, 780615864, 1561231728]

約数ペア:

[(1, 1561231728), (2, 780615864), (3, 520410576), (4, 390307932), (6, 260205288), (7, 223033104), (8, 195153966), (9, 173470192), (12, 130102644), (14, 111516552), (16, 97576983), (18, 86735096), (21, 74344368), (24, 65051322), (28, 55758276), (36, 43367548), (42, 37172184), (48, 32525661), (49, 31861872), (56, 27879138), (63, 24781456), (72, 21683774), (73, 21386736), (84, 18586092), (98, 15930936), (112, 13939569), (126, 12390728), (144, 10841887), (146, 10693368), (147, 10620624), (168, 9293046), (196, 7965468), (219, 7128912), (252, 6195364), (292, 5346684), (294, 5310312), (336, 4646523), (343, 4551696), (392, 3982734), (433, 3605616), (438, 3564456), (441, 3540208), (504, 3097682), (511, 3055248), (584, 2673342), (588, 2655156), (657, 2376304), (686, 2275848), (784, 1991367), (866, 1802808), (876, 1782228), (882, 1770104), (1008, 1548841), (1022, 1527624), (1029, 1517232), (1168, 1336671), (1176, 1327578), (1299, 1201872), (1314, 1188152), (1372, 1137924), (1533, 1018416), (1732, 901404), (1752, 891114), (1764, 885052), (2044, 763812), (2058, 758616), (2352, 663789), (2598, 600936), (2628, 594076), (2744, 568962), (3031, 515088), (3066, 509208), (3087, 505744), (3464, 450702), (3504, 445557), (3528, 442526), (3577, 436464), (3897, 400624), (4088, 381906), (4116, 379308), (4599, 339472), (5196, 300468), (5256, 297038), (5488, 284481), (6062, 257544), (6132, 254604), (6174, 252872), (6928, 225351), (7056, 221263), (7154, 218232), (7794, 200312), (8176, 190953), (8232, 189654), (9093, 171696), (9198, 169736), (10392, 150234), (10512, 148519), (10731, 145488), (12124, 128772), (12264, 127302), (12348, 126436), (14308, 109116), (15588, 100156), (16464, 94827), (18186, 85848), (18396, 84868), (20784, 75117), (21217, 73584), (21462, 72744), (24248, 64386), (24528, 63651), (24696, 63218), (25039, 62352), (27279, 57232), (28616, 54558), (31176, 50078), (31609, 49392), (32193, 48496), (36372, 42924), (36792, 42434)]