61478480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{311}}^1\times {\mathrm{353}}^1$

素因数の和:684

約数の個数: 80

約数和(自身を含む): 164346624

約数和(自身を除く): 102868144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 311, 353, 560, 622, 706, 1244, 1412, 1555, 1765, 2177, 2471, 2488, 2824, 3110, 3530, 4354, 4942, 4976, 5648, 6220, 7060, 8708, 9884, 10885, 12355, 12440, 14120, 17416, 19768, 21770, 24710, 24880, 28240, 34832, 39536, 43540, 49420, 87080, 98840, 109783, 174160, 197680, 219566, 439132, 548915, 768481, 878264, 1097830, 1536962, 1756528, 2195660, 3073924, 3842405, 4391320, 6147848, 7684810, 8782640, 12295696, 15369620, 30739240, 61478480]

約数ペア:

[(1, 61478480), (2, 30739240), (4, 15369620), (5, 12295696), (7, 8782640), (8, 7684810), (10, 6147848), (14, 4391320), (16, 3842405), (20, 3073924), (28, 2195660), (35, 1756528), (40, 1536962), (56, 1097830), (70, 878264), (80, 768481), (112, 548915), (140, 439132), (280, 219566), (311, 197680), (353, 174160), (560, 109783), (622, 98840), (706, 87080), (1244, 49420), (1412, 43540), (1555, 39536), (1765, 34832), (2177, 28240), (2471, 24880), (2488, 24710), (2824, 21770), (3110, 19768), (3530, 17416), (4354, 14120), (4942, 12440), (4976, 12355), (5648, 10885), (6220, 9884), (7060, 8708)]