121280640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{113}}^1$

素因数の和:191

約数の個数: 256

約数和(自身を含む): 429770880

約数和(自身を除く): 308490240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 43, 48, 52, 60, 64, 65, 78, 80, 86, 96, 104, 113, 120, 128, 129, 130, 156, 160, 172, 192, 195, 208, 215, 226, 240, 258, 260, 312, 320, 339, 344, 384, 390, 416, 430, 452, 480, 516, 520, 559, 565, 624, 640, 645, 678, 688, 780, 832, 860, 904, 960, 1032, 1040, 1118, 1130, 1248, 1290, 1356, 1376, 1469, 1560, 1664, 1677, 1695, 1720, 1808, 1920, 2064, 2080, 2236, 2260, 2496, 2580, 2712, 2752, 2795, 2938, 3120, 3354, 3390, 3440, 3616, 4128, 4160, 4407, 4472, 4520, 4859, 4992, 5160, 5424, 5504, 5590, 5876, 6240, 6708, 6780, 6880, 7232, 7345, 8256, 8320, 8385, 8814, 8944, 9040, 9718, 10320, 10848, 11180, 11752, 12480, 13416, 13560, 13760, 14464, 14577, 14690, 16512, 16770, 17628, 17888, 18080, 19436, 20640, 21696, 22035, 22360, 23504, 24295, 24960, 26832, 27120, 27520, 29154, 29380, 33540, 35256, 35776, 36160, 38872, 41280, 43392, 44070, 44720, 47008, 48590, 53664, 54240, 58308, 58760, 63167, 67080, 70512, 71552, 72320, 72885, 77744, 82560, 88140, 89440, 94016, 97180, 107328, 108480, 116616, 117520, 126334, 134160, 141024, 145770, 155488, 176280, 178880, 188032, 189501, 194360, 214656, 216960, 233232, 235040, 252668, 268320, 282048, 291540, 310976, 315835, 352560, 357760, 379002, 388720, 466464, 470080, 505336, 536640, 564096, 583080, 621952, 631670, 705120, 758004, 777440, 932928, 940160, 947505, 1010672, 1073280, 1166160, 1263340, 1410240, 1516008, 1554880, 1865856, 1895010, 2021344, 2332320, 2526680, 2820480, 3032016, 3109760, 3790020, 4042688, 4664640, 5053360, 6064032, 7580040, 8085376, 9329280, 10106720, 12128064, 15160080, 20213440, 24256128, 30320160, 40426880, 60640320, 121280640]

約数ペア:

[(1, 121280640), (2, 60640320), (3, 40426880), (4, 30320160), (5, 24256128), (6, 20213440), (8, 15160080), (10, 12128064), (12, 10106720), (13, 9329280), (15, 8085376), (16, 7580040), (20, 6064032), (24, 5053360), (26, 4664640), (30, 4042688), (32, 3790020), (39, 3109760), (40, 3032016), (43, 2820480), (48, 2526680), (52, 2332320), (60, 2021344), (64, 1895010), (65, 1865856), (78, 1554880), (80, 1516008), (86, 1410240), (96, 1263340), (104, 1166160), (113, 1073280), (120, 1010672), (128, 947505), (129, 940160), (130, 932928), (156, 777440), (160, 758004), (172, 705120), (192, 631670), (195, 621952), (208, 583080), (215, 564096), (226, 536640), (240, 505336), (258, 470080), (260, 466464), (312, 388720), (320, 379002), (339, 357760), (344, 352560), (384, 315835), (390, 310976), (416, 291540), (430, 282048), (452, 268320), (480, 252668), (516, 235040), (520, 233232), (559, 216960), (565, 214656), (624, 194360), (640, 189501), (645, 188032), (678, 178880), (688, 176280), (780, 155488), (832, 145770), (860, 141024), (904, 134160), (960, 126334), (1032, 117520), (1040, 116616), (1118, 108480), (1130, 107328), (1248, 97180), (1290, 94016), (1356, 89440), (1376, 88140), (1469, 82560), (1560, 77744), (1664, 72885), (1677, 72320), (1695, 71552), (1720, 70512), (1808, 67080), (1920, 63167), (2064, 58760), (2080, 58308), (2236, 54240), (2260, 53664), (2496, 48590), (2580, 47008), (2712, 44720), (2752, 44070), (2795, 43392), (2938, 41280), (3120, 38872), (3354, 36160), (3390, 35776), (3440, 35256), (3616, 33540), (4128, 29380), (4160, 29154), (4407, 27520), (4472, 27120), (4520, 26832), (4859, 24960), (4992, 24295), (5160, 23504), (5424, 22360), (5504, 22035), (5590, 21696), (5876, 20640), (6240, 19436), (6708, 18080), (6780, 17888), (6880, 17628), (7232, 16770), (7345, 16512), (8256, 14690), (8320, 14577), (8385, 14464), (8814, 13760), (8944, 13560), (9040, 13416), (9718, 12480), (10320, 11752), (10848, 11180)]