47687920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{67}}^1$

素因数の和:159

約数の個数: 160

約数和(自身を含む): 135991296

約数和(自身を除く): 88303376

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 41, 56, 62, 67, 70, 80, 82, 112, 124, 134, 140, 155, 164, 205, 217, 248, 268, 280, 287, 310, 328, 335, 410, 434, 469, 496, 536, 560, 574, 620, 656, 670, 820, 868, 938, 1072, 1085, 1148, 1240, 1271, 1340, 1435, 1640, 1736, 1876, 2077, 2170, 2296, 2345, 2480, 2542, 2680, 2747, 2870, 3280, 3472, 3752, 4154, 4340, 4592, 4690, 5084, 5360, 5494, 5740, 6355, 7504, 8308, 8680, 8897, 9380, 10168, 10385, 10988, 11480, 12710, 13735, 14539, 16616, 17360, 17794, 18760, 19229, 20336, 20770, 21976, 22960, 25420, 27470, 29078, 33232, 35588, 37520, 38458, 41540, 43952, 44485, 50840, 54940, 58156, 71176, 72695, 76916, 83080, 85157, 88970, 96145, 101680, 109880, 116312, 142352, 145390, 153832, 166160, 170314, 177940, 192290, 219760, 232624, 290780, 307664, 340628, 355880, 384580, 425785, 581560, 596099, 681256, 711760, 769160, 851570, 1163120, 1192198, 1362512, 1538320, 1703140, 2384396, 2980495, 3406280, 4768792, 5960990, 6812560, 9537584, 11921980, 23843960, 47687920]

約数ペア:

[(1, 47687920), (2, 23843960), (4, 11921980), (5, 9537584), (7, 6812560), (8, 5960990), (10, 4768792), (14, 3406280), (16, 2980495), (20, 2384396), (28, 1703140), (31, 1538320), (35, 1362512), (40, 1192198), (41, 1163120), (56, 851570), (62, 769160), (67, 711760), (70, 681256), (80, 596099), (82, 581560), (112, 425785), (124, 384580), (134, 355880), (140, 340628), (155, 307664), (164, 290780), (205, 232624), (217, 219760), (248, 192290), (268, 177940), (280, 170314), (287, 166160), (310, 153832), (328, 145390), (335, 142352), (410, 116312), (434, 109880), (469, 101680), (496, 96145), (536, 88970), (560, 85157), (574, 83080), (620, 76916), (656, 72695), (670, 71176), (820, 58156), (868, 54940), (938, 50840), (1072, 44485), (1085, 43952), (1148, 41540), (1240, 38458), (1271, 37520), (1340, 35588), (1435, 33232), (1640, 29078), (1736, 27470), (1876, 25420), (2077, 22960), (2170, 21976), (2296, 20770), (2345, 20336), (2480, 19229), (2542, 18760), (2680, 17794), (2747, 17360), (2870, 16616), (3280, 14539), (3472, 13735), (3752, 12710), (4154, 11480), (4340, 10988), (4592, 10385), (4690, 10168), (5084, 9380), (5360, 8897), (5494, 8680), (5740, 8308), (6355, 7504)]