72717568

素因数分解:

$2^8\times 7^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1$

素因数の和:89

約数の個数: 216

約数和(自身を含む): 201325824

約数和(自身を除く): 128608256

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 17, 22, 28, 31, 32, 34, 44, 49, 56, 62, 64, 68, 77, 88, 98, 112, 119, 124, 128, 136, 154, 176, 187, 196, 217, 224, 238, 248, 256, 272, 308, 341, 352, 374, 392, 434, 448, 476, 496, 527, 539, 544, 616, 682, 704, 748, 784, 833, 868, 896, 952, 992, 1054, 1078, 1088, 1232, 1309, 1364, 1408, 1496, 1519, 1568, 1666, 1736, 1792, 1904, 1984, 2108, 2156, 2176, 2387, 2464, 2618, 2728, 2816, 2992, 3038, 3136, 3332, 3472, 3689, 3808, 3968, 4216, 4312, 4352, 4774, 4928, 5236, 5456, 5797, 5984, 6076, 6272, 6664, 6944, 7378, 7616, 7936, 8432, 8624, 9163, 9548, 9856, 10472, 10912, 11594, 11968, 12152, 12544, 13328, 13888, 14756, 15232, 16709, 16864, 17248, 18326, 19096, 19712, 20944, 21824, 23188, 23936, 24304, 25823, 26656, 27776, 29512, 30464, 33418, 33728, 34496, 36652, 38192, 40579, 41888, 43648, 46376, 47872, 48608, 51646, 53312, 55552, 59024, 66836, 67456, 68992, 73304, 76384, 81158, 83776, 87296, 92752, 97216, 103292, 106624, 118048, 133672, 134912, 137984, 146608, 152768, 162316, 167552, 185504, 194432, 206584, 213248, 236096, 267344, 284053, 293216, 305536, 324632, 335104, 371008, 388864, 413168, 472192, 534688, 568106, 586432, 611072, 649264, 742016, 826336, 944384, 1069376, 1136212, 1172864, 1298528, 1484032, 1652672, 2138752, 2272424, 2345728, 2597056, 3305344, 4277504, 4544848, 5194112, 6610688, 9089696, 10388224, 18179392, 36358784, 72717568]

約数ペア:

[(1, 72717568), (2, 36358784), (4, 18179392), (7, 10388224), (8, 9089696), (11, 6610688), (14, 5194112), (16, 4544848), (17, 4277504), (22, 3305344), (28, 2597056), (31, 2345728), (32, 2272424), (34, 2138752), (44, 1652672), (49, 1484032), (56, 1298528), (62, 1172864), (64, 1136212), (68, 1069376), (77, 944384), (88, 826336), (98, 742016), (112, 649264), (119, 611072), (124, 586432), (128, 568106), (136, 534688), (154, 472192), (176, 413168), (187, 388864), (196, 371008), (217, 335104), (224, 324632), (238, 305536), (248, 293216), (256, 284053), (272, 267344), (308, 236096), (341, 213248), (352, 206584), (374, 194432), (392, 185504), (434, 167552), (448, 162316), (476, 152768), (496, 146608), (527, 137984), (539, 134912), (544, 133672), (616, 118048), (682, 106624), (704, 103292), (748, 97216), (784, 92752), (833, 87296), (868, 83776), (896, 81158), (952, 76384), (992, 73304), (1054, 68992), (1078, 67456), (1088, 66836), (1232, 59024), (1309, 55552), (1364, 53312), (1408, 51646), (1496, 48608), (1519, 47872), (1568, 46376), (1666, 43648), (1736, 41888), (1792, 40579), (1904, 38192), (1984, 36652), (2108, 34496), (2156, 33728), (2176, 33418), (2387, 30464), (2464, 29512), (2618, 27776), (2728, 26656), (2816, 25823), (2992, 24304), (3038, 23936), (3136, 23188), (3332, 21824), (3472, 20944), (3689, 19712), (3808, 19096), (3968, 18326), (4216, 17248), (4312, 16864), (4352, 16709), (4774, 15232), (4928, 14756), (5236, 13888), (5456, 13328), (5797, 12544), (5984, 12152), (6076, 11968), (6272, 11594), (6664, 10912), (6944, 10472), (7378, 9856), (7616, 9548), (7936, 9163), (8432, 8624)]