68806880

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:268

約数の個数: 96

約数和(自身を含む): 169845984

約数和(自身を除く): 101039104

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 73, 80, 86, 137, 146, 160, 172, 215, 274, 292, 344, 365, 430, 548, 584, 685, 688, 730, 860, 1096, 1168, 1370, 1376, 1460, 1720, 2192, 2336, 2740, 2920, 3139, 3440, 4384, 5480, 5840, 5891, 6278, 6880, 10001, 10960, 11680, 11782, 12556, 15695, 20002, 21920, 23564, 25112, 29455, 31390, 40004, 47128, 50005, 50224, 58910, 62780, 80008, 94256, 100010, 100448, 117820, 125560, 160016, 188512, 200020, 235640, 251120, 320032, 400040, 430043, 471280, 502240, 800080, 860086, 942560, 1600160, 1720172, 2150215, 3440344, 4300430, 6880688, 8600860, 13761376, 17201720, 34403440, 68806880]

約数ペア:

[(1, 68806880), (2, 34403440), (4, 17201720), (5, 13761376), (8, 8600860), (10, 6880688), (16, 4300430), (20, 3440344), (32, 2150215), (40, 1720172), (43, 1600160), (73, 942560), (80, 860086), (86, 800080), (137, 502240), (146, 471280), (160, 430043), (172, 400040), (215, 320032), (274, 251120), (292, 235640), (344, 200020), (365, 188512), (430, 160016), (548, 125560), (584, 117820), (685, 100448), (688, 100010), (730, 94256), (860, 80008), (1096, 62780), (1168, 58910), (1370, 50224), (1376, 50005), (1460, 47128), (1720, 40004), (2192, 31390), (2336, 29455), (2740, 25112), (2920, 23564), (3139, 21920), (3440, 20002), (4384, 15695), (5480, 12556), (5840, 11782), (5891, 11680), (6278, 10960), (6880, 10001)]