240772480

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{673}}^1$

素因数の和:748

約数の個数: 128

約数和(自身を含む): 635231520

約数和(自身を除く): 394459040

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 43, 52, 64, 65, 80, 86, 104, 128, 130, 160, 172, 208, 215, 260, 320, 344, 416, 430, 520, 559, 640, 673, 688, 832, 860, 1040, 1118, 1346, 1376, 1664, 1720, 2080, 2236, 2692, 2752, 2795, 3365, 3440, 4160, 4472, 5384, 5504, 5590, 6730, 6880, 8320, 8749, 8944, 10768, 11180, 13460, 13760, 17498, 17888, 21536, 22360, 26920, 27520, 28939, 34996, 35776, 43072, 43745, 44720, 53840, 57878, 69992, 71552, 86144, 87490, 89440, 107680, 115756, 139984, 144695, 174980, 178880, 215360, 231512, 279968, 289390, 349960, 357760, 376207, 430720, 463024, 559936, 578780, 699920, 752414, 926048, 1119872, 1157560, 1399840, 1504828, 1852096, 1881035, 2315120, 2799680, 3009656, 3704192, 3762070, 4630240, 5599360, 6019312, 7524140, 9260480, 12038624, 15048280, 18520960, 24077248, 30096560, 48154496, 60193120, 120386240, 240772480]

約数ペア:

[(1, 240772480), (2, 120386240), (4, 60193120), (5, 48154496), (8, 30096560), (10, 24077248), (13, 18520960), (16, 15048280), (20, 12038624), (26, 9260480), (32, 7524140), (40, 6019312), (43, 5599360), (52, 4630240), (64, 3762070), (65, 3704192), (80, 3009656), (86, 2799680), (104, 2315120), (128, 1881035), (130, 1852096), (160, 1504828), (172, 1399840), (208, 1157560), (215, 1119872), (260, 926048), (320, 752414), (344, 699920), (416, 578780), (430, 559936), (520, 463024), (559, 430720), (640, 376207), (673, 357760), (688, 349960), (832, 289390), (860, 279968), (1040, 231512), (1118, 215360), (1346, 178880), (1376, 174980), (1664, 144695), (1720, 139984), (2080, 115756), (2236, 107680), (2692, 89440), (2752, 87490), (2795, 86144), (3365, 71552), (3440, 69992), (4160, 57878), (4472, 53840), (5384, 44720), (5504, 43745), (5590, 43072), (6730, 35776), (6880, 34996), (8320, 28939), (8749, 27520), (8944, 26920), (10768, 22360), (11180, 21536), (13460, 17888), (13760, 17498)]