30906720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1$

素因数の和:174

約数の個数: 216

約数和(自身を含む): 115105536

約数和(自身を除く): 84198816

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 32, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 90, 96, 104, 117, 120, 127, 130, 144, 156, 160, 169, 180, 195, 208, 234, 240, 254, 260, 288, 312, 338, 360, 381, 390, 416, 468, 480, 507, 508, 520, 585, 624, 635, 676, 720, 762, 780, 845, 936, 1014, 1016, 1040, 1143, 1170, 1248, 1270, 1352, 1440, 1521, 1524, 1560, 1651, 1690, 1872, 1905, 2028, 2032, 2080, 2286, 2340, 2535, 2540, 2704, 3042, 3048, 3120, 3302, 3380, 3744, 3810, 4056, 4064, 4572, 4680, 4953, 5070, 5080, 5408, 5715, 6084, 6096, 6240, 6604, 6760, 7605, 7620, 8112, 8255, 9144, 9360, 9906, 10140, 10160, 11430, 12168, 12192, 13208, 13520, 14859, 15210, 15240, 16224, 16510, 18288, 18720, 19812, 20280, 20320, 21463, 22860, 24336, 24765, 26416, 27040, 29718, 30420, 30480, 33020, 36576, 39624, 40560, 42926, 45720, 48672, 49530, 52832, 59436, 60840, 60960, 64389, 66040, 74295, 79248, 81120, 85852, 91440, 99060, 107315, 118872, 121680, 128778, 132080, 148590, 158496, 171704, 182880, 193167, 198120, 214630, 237744, 243360, 257556, 264160, 297180, 321945, 343408, 386334, 396240, 429260, 475488, 515112, 594360, 643890, 686816, 772668, 792480, 858520, 965835, 1030224, 1188720, 1287780, 1545336, 1717040, 1931670, 2060448, 2377440, 2575560, 3090672, 3434080, 3863340, 5151120, 6181344, 7726680, 10302240, 15453360, 30906720]

約数ペア:

[(1, 30906720), (2, 15453360), (3, 10302240), (4, 7726680), (5, 6181344), (6, 5151120), (8, 3863340), (9, 3434080), (10, 3090672), (12, 2575560), (13, 2377440), (15, 2060448), (16, 1931670), (18, 1717040), (20, 1545336), (24, 1287780), (26, 1188720), (30, 1030224), (32, 965835), (36, 858520), (39, 792480), (40, 772668), (45, 686816), (48, 643890), (52, 594360), (60, 515112), (65, 475488), (72, 429260), (78, 396240), (80, 386334), (90, 343408), (96, 321945), (104, 297180), (117, 264160), (120, 257556), (127, 243360), (130, 237744), (144, 214630), (156, 198120), (160, 193167), (169, 182880), (180, 171704), (195, 158496), (208, 148590), (234, 132080), (240, 128778), (254, 121680), (260, 118872), (288, 107315), (312, 99060), (338, 91440), (360, 85852), (381, 81120), (390, 79248), (416, 74295), (468, 66040), (480, 64389), (507, 60960), (508, 60840), (520, 59436), (585, 52832), (624, 49530), (635, 48672), (676, 45720), (720, 42926), (762, 40560), (780, 39624), (845, 36576), (936, 33020), (1014, 30480), (1016, 30420), (1040, 29718), (1143, 27040), (1170, 26416), (1248, 24765), (1270, 24336), (1352, 22860), (1440, 21463), (1521, 20320), (1524, 20280), (1560, 19812), (1651, 18720), (1690, 18288), (1872, 16510), (1905, 16224), (2028, 15240), (2032, 15210), (2080, 14859), (2286, 13520), (2340, 13208), (2535, 12192), (2540, 12168), (2704, 11430), (3042, 10160), (3048, 10140), (3120, 9906), (3302, 9360), (3380, 9144), (3744, 8255), (3810, 8112), (4056, 7620), (4064, 7605), (4572, 6760), (4680, 6604), (4953, 6240), (5070, 6096), (5080, 6084), (5408, 5715)]