1378266240

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55219}}^1$

素因数の和:55254

約数の個数: 128

約数和(自身を含む): 4731249600

約数和(自身を除く): 3352983360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 12480, 24960, 55219, 110438, 165657, 220876, 276095, 331314, 441752, 552190, 662628, 717847, 828285, 883504, 1104380, 1325256, 1435694, 1656570, 1767008, 2153541, 2208760, 2650512, 2871388, 3313140, 3534016, 3589235, 4307082, 4417520, 5301024, 5742776, 6626280, 7068032, 7178470, 8614164, 8835040, 10602048, 10767705, 11485552, 13252560, 14356940, 17228328, 17670080, 21204096, 21535410, 22971104, 26505120, 28713880, 34456656, 35340160, 43070820, 45942208, 53010240, 57427760, 68913312, 86141640, 91884416, 106020480, 114855520, 137826624, 172283280, 229711040, 275653248, 344566560, 459422080, 689133120, 1378266240]

約数ペア:

[(1, 1378266240), (2, 689133120), (3, 459422080), (4, 344566560), (5, 275653248), (6, 229711040), (8, 172283280), (10, 137826624), (12, 114855520), (13, 106020480), (15, 91884416), (16, 86141640), (20, 68913312), (24, 57427760), (26, 53010240), (30, 45942208), (32, 43070820), (39, 35340160), (40, 34456656), (48, 28713880), (52, 26505120), (60, 22971104), (64, 21535410), (65, 21204096), (78, 17670080), (80, 17228328), (96, 14356940), (104, 13252560), (120, 11485552), (128, 10767705), (130, 10602048), (156, 8835040), (160, 8614164), (192, 7178470), (195, 7068032), (208, 6626280), (240, 5742776), (260, 5301024), (312, 4417520), (320, 4307082), (384, 3589235), (390, 3534016), (416, 3313140), (480, 2871388), (520, 2650512), (624, 2208760), (640, 2153541), (780, 1767008), (832, 1656570), (960, 1435694), (1040, 1325256), (1248, 1104380), (1560, 883504), (1664, 828285), (1920, 717847), (2080, 662628), (2496, 552190), (3120, 441752), (4160, 331314), (4992, 276095), (6240, 220876), (8320, 165657), (12480, 110438), (24960, 55219)]