38991680

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{103}}^1$

素因数の和:153

約数の個数: 168

約数和(自身を含む): 116019072

約数和(自身を除く): 77027392

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 64, 65, 70, 80, 91, 103, 104, 112, 130, 140, 160, 169, 182, 206, 208, 224, 260, 280, 320, 338, 364, 412, 416, 448, 455, 515, 520, 560, 676, 721, 728, 824, 832, 845, 910, 1030, 1040, 1120, 1183, 1339, 1352, 1442, 1456, 1648, 1690, 1820, 2060, 2080, 2240, 2366, 2678, 2704, 2884, 2912, 3296, 3380, 3605, 3640, 4120, 4160, 4732, 5356, 5408, 5768, 5824, 5915, 6592, 6695, 6760, 7210, 7280, 8240, 9373, 9464, 10712, 10816, 11536, 11830, 13390, 13520, 14420, 14560, 16480, 17407, 18746, 18928, 21424, 23072, 23660, 26780, 27040, 28840, 29120, 32960, 34814, 37492, 37856, 42848, 46144, 46865, 47320, 53560, 54080, 57680, 69628, 74984, 75712, 85696, 87035, 93730, 94640, 107120, 115360, 121849, 139256, 149968, 174070, 187460, 189280, 214240, 230720, 243698, 278512, 299936, 348140, 374920, 378560, 428480, 487396, 557024, 599872, 609245, 696280, 749840, 974792, 1114048, 1218490, 1392560, 1499680, 1949584, 2436980, 2785120, 2999360, 3899168, 4873960, 5570240, 7798336, 9747920, 19495840, 38991680]

約数ペア:

[(1, 38991680), (2, 19495840), (4, 9747920), (5, 7798336), (7, 5570240), (8, 4873960), (10, 3899168), (13, 2999360), (14, 2785120), (16, 2436980), (20, 1949584), (26, 1499680), (28, 1392560), (32, 1218490), (35, 1114048), (40, 974792), (52, 749840), (56, 696280), (64, 609245), (65, 599872), (70, 557024), (80, 487396), (91, 428480), (103, 378560), (104, 374920), (112, 348140), (130, 299936), (140, 278512), (160, 243698), (169, 230720), (182, 214240), (206, 189280), (208, 187460), (224, 174070), (260, 149968), (280, 139256), (320, 121849), (338, 115360), (364, 107120), (412, 94640), (416, 93730), (448, 87035), (455, 85696), (515, 75712), (520, 74984), (560, 69628), (676, 57680), (721, 54080), (728, 53560), (824, 47320), (832, 46865), (845, 46144), (910, 42848), (1030, 37856), (1040, 37492), (1120, 34814), (1183, 32960), (1339, 29120), (1352, 28840), (1442, 27040), (1456, 26780), (1648, 23660), (1690, 23072), (1820, 21424), (2060, 18928), (2080, 18746), (2240, 17407), (2366, 16480), (2678, 14560), (2704, 14420), (2884, 13520), (2912, 13390), (3296, 11830), (3380, 11536), (3605, 10816), (3640, 10712), (4120, 9464), (4160, 9373), (4732, 8240), (5356, 7280), (5408, 7210), (5768, 6760), (5824, 6695), (5915, 6592)]