78963920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{37}}^2\times {\mathrm{103}}^1$

素因数の和:197

約数の個数: 120

約数和(自身を含む): 217736064

約数和(自身を除く): 138772144

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 37, 40, 56, 70, 74, 80, 103, 112, 140, 148, 185, 206, 259, 280, 296, 370, 412, 515, 518, 560, 592, 721, 740, 824, 1030, 1036, 1295, 1369, 1442, 1480, 1648, 2060, 2072, 2590, 2738, 2884, 2960, 3605, 3811, 4120, 4144, 5180, 5476, 5768, 6845, 7210, 7622, 8240, 9583, 10360, 10952, 11536, 13690, 14420, 15244, 19055, 19166, 20720, 21904, 26677, 27380, 28840, 30488, 38110, 38332, 47915, 53354, 54760, 57680, 60976, 76220, 76664, 95830, 106708, 109520, 133385, 141007, 152440, 153328, 191660, 213416, 266770, 282014, 304880, 383320, 426832, 533540, 564028, 705035, 766640, 987049, 1067080, 1128056, 1410070, 1974098, 2134160, 2256112, 2820140, 3948196, 4935245, 5640280, 7896392, 9870490, 11280560, 15792784, 19740980, 39481960, 78963920]

約数ペア:

[(1, 78963920), (2, 39481960), (4, 19740980), (5, 15792784), (7, 11280560), (8, 9870490), (10, 7896392), (14, 5640280), (16, 4935245), (20, 3948196), (28, 2820140), (35, 2256112), (37, 2134160), (40, 1974098), (56, 1410070), (70, 1128056), (74, 1067080), (80, 987049), (103, 766640), (112, 705035), (140, 564028), (148, 533540), (185, 426832), (206, 383320), (259, 304880), (280, 282014), (296, 266770), (370, 213416), (412, 191660), (515, 153328), (518, 152440), (560, 141007), (592, 133385), (721, 109520), (740, 106708), (824, 95830), (1030, 76664), (1036, 76220), (1295, 60976), (1369, 57680), (1442, 54760), (1480, 53354), (1648, 47915), (2060, 38332), (2072, 38110), (2590, 30488), (2738, 28840), (2884, 27380), (2960, 26677), (3605, 21904), (3811, 20720), (4120, 19166), (4144, 19055), (5180, 15244), (5476, 14420), (5768, 13690), (6845, 11536), (7210, 10952), (7622, 10360), (8240, 9583)]