78720960

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1907}}^1$

素因数の和:1970

約数の個数: 112

約数和(自身を含む): 255885696

約数和(自身を除く): 177164736

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 43, 48, 60, 64, 80, 86, 96, 120, 129, 160, 172, 192, 215, 240, 258, 320, 344, 430, 480, 516, 645, 688, 860, 960, 1032, 1290, 1376, 1720, 1907, 2064, 2580, 2752, 3440, 3814, 4128, 5160, 5721, 6880, 7628, 8256, 9535, 10320, 11442, 13760, 15256, 19070, 20640, 22884, 28605, 30512, 38140, 41280, 45768, 57210, 61024, 76280, 82001, 91536, 114420, 122048, 152560, 164002, 183072, 228840, 246003, 305120, 328004, 366144, 410005, 457680, 492006, 610240, 656008, 820010, 915360, 984012, 1230015, 1312016, 1640020, 1830720, 1968024, 2460030, 2624032, 3280040, 3936048, 4920060, 5248064, 6560080, 7872096, 9840120, 13120160, 15744192, 19680240, 26240320, 39360480, 78720960]

約数ペア:

[(1, 78720960), (2, 39360480), (3, 26240320), (4, 19680240), (5, 15744192), (6, 13120160), (8, 9840120), (10, 7872096), (12, 6560080), (15, 5248064), (16, 4920060), (20, 3936048), (24, 3280040), (30, 2624032), (32, 2460030), (40, 1968024), (43, 1830720), (48, 1640020), (60, 1312016), (64, 1230015), (80, 984012), (86, 915360), (96, 820010), (120, 656008), (129, 610240), (160, 492006), (172, 457680), (192, 410005), (215, 366144), (240, 328004), (258, 305120), (320, 246003), (344, 228840), (430, 183072), (480, 164002), (516, 152560), (645, 122048), (688, 114420), (860, 91536), (960, 82001), (1032, 76280), (1290, 61024), (1376, 57210), (1720, 45768), (1907, 41280), (2064, 38140), (2580, 30512), (2752, 28605), (3440, 22884), (3814, 20640), (4128, 19070), (5160, 15256), (5721, 13760), (6880, 11442), (7628, 10320), (8256, 9535)]