1990747584

素因数分解:

$2^6\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{5309}}^1$

素因数の和:5368

約数の個数: 224

約数和(自身を含む): 6905548800

約数和(自身を除く): 4914801216

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 31, 32, 36, 42, 48, 54, 56, 62, 63, 64, 72, 84, 93, 96, 108, 112, 124, 126, 144, 168, 186, 189, 192, 216, 217, 224, 248, 252, 279, 288, 336, 372, 378, 432, 434, 448, 496, 504, 558, 576, 651, 672, 744, 756, 837, 864, 868, 992, 1008, 1116, 1302, 1344, 1488, 1512, 1674, 1728, 1736, 1953, 1984, 2016, 2232, 2604, 2976, 3024, 3348, 3472, 3906, 4032, 4464, 5208, 5309, 5859, 5952, 6048, 6696, 6944, 7812, 8928, 10416, 10618, 11718, 12096, 13392, 13888, 15624, 15927, 17856, 20832, 21236, 23436, 26784, 31248, 31854, 37163, 41664, 42472, 46872, 47781, 53568, 62496, 63708, 74326, 84944, 93744, 95562, 111489, 124992, 127416, 143343, 148652, 164579, 169888, 187488, 191124, 222978, 254832, 286686, 297304, 329158, 334467, 339776, 374976, 382248, 445956, 493737, 509664, 573372, 594608, 658316, 668934, 764496, 891912, 987474, 1003401, 1019328, 1146744, 1152053, 1189216, 1316632, 1337868, 1481211, 1528992, 1783824, 1974948, 2006802, 2293488, 2304106, 2378432, 2633264, 2675736, 2962422, 3057984, 3456159, 3567648, 3949896, 4013604, 4443633, 4586976, 4608212, 5266528, 5351472, 5924844, 6912318, 7135296, 7899792, 8027208, 8887266, 9173952, 9216424, 10368477, 10533056, 10702944, 11849688, 13824636, 15799584, 16054416, 17774532, 18432848, 20736954, 21405888, 23699376, 27649272, 31105431, 31599168, 32108832, 35549064, 36865696, 41473908, 47398752, 55298544, 62210862, 64217664, 71098128, 73731392, 82947816, 94797504, 110597088, 124421724, 142196256, 165895632, 221194176, 248843448, 284392512, 331791264, 497686896, 663582528, 995373792, 1990747584]

約数ペア:

[(1, 1990747584), (2, 995373792), (3, 663582528), (4, 497686896), (6, 331791264), (7, 284392512), (8, 248843448), (9, 221194176), (12, 165895632), (14, 142196256), (16, 124421724), (18, 110597088), (21, 94797504), (24, 82947816), (27, 73731392), (28, 71098128), (31, 64217664), (32, 62210862), (36, 55298544), (42, 47398752), (48, 41473908), (54, 36865696), (56, 35549064), (62, 32108832), (63, 31599168), (64, 31105431), (72, 27649272), (84, 23699376), (93, 21405888), (96, 20736954), (108, 18432848), (112, 17774532), (124, 16054416), (126, 15799584), (144, 13824636), (168, 11849688), (186, 10702944), (189, 10533056), (192, 10368477), (216, 9216424), (217, 9173952), (224, 8887266), (248, 8027208), (252, 7899792), (279, 7135296), (288, 6912318), (336, 5924844), (372, 5351472), (378, 5266528), (432, 4608212), (434, 4586976), (448, 4443633), (496, 4013604), (504, 3949896), (558, 3567648), (576, 3456159), (651, 3057984), (672, 2962422), (744, 2675736), (756, 2633264), (837, 2378432), (864, 2304106), (868, 2293488), (992, 2006802), (1008, 1974948), (1116, 1783824), (1302, 1528992), (1344, 1481211), (1488, 1337868), (1512, 1316632), (1674, 1189216), (1728, 1152053), (1736, 1146744), (1953, 1019328), (1984, 1003401), (2016, 987474), (2232, 891912), (2604, 764496), (2976, 668934), (3024, 658316), (3348, 594608), (3472, 573372), (3906, 509664), (4032, 493737), (4464, 445956), (5208, 382248), (5309, 374976), (5859, 339776), (5952, 334467), (6048, 329158), (6696, 297304), (6944, 286686), (7812, 254832), (8928, 222978), (10416, 191124), (10618, 187488), (11718, 169888), (12096, 164579), (13392, 148652), (13888, 143343), (15624, 127416), (15927, 124992), (17856, 111489), (20832, 95562), (21236, 93744), (23436, 84944), (26784, 74326), (31248, 63708), (31854, 62496), (37163, 53568), (41664, 47781), (42472, 46872)]