51310740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1$

素因数の和:601

約数の個数: 96

約数和(自身を含む): 156078720

約数和(自身を除く): 104767980

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 157, 195, 260, 314, 390, 419, 471, 628, 780, 785, 838, 942, 1257, 1570, 1676, 1884, 2041, 2095, 2355, 2514, 3140, 4082, 4190, 4710, 5028, 5447, 6123, 6285, 8164, 8380, 9420, 10205, 10894, 12246, 12570, 16341, 20410, 21788, 24492, 25140, 27235, 30615, 32682, 40820, 54470, 61230, 65364, 65783, 81705, 108940, 122460, 131566, 163410, 197349, 263132, 326820, 328915, 394698, 657830, 789396, 855179, 986745, 1315660, 1710358, 1973490, 2565537, 3420716, 3946980, 4275895, 5131074, 8551790, 10262148, 12827685, 17103580, 25655370, 51310740]

約数ペア:

[(1, 51310740), (2, 25655370), (3, 17103580), (4, 12827685), (5, 10262148), (6, 8551790), (10, 5131074), (12, 4275895), (13, 3946980), (15, 3420716), (20, 2565537), (26, 1973490), (30, 1710358), (39, 1315660), (52, 986745), (60, 855179), (65, 789396), (78, 657830), (130, 394698), (156, 328915), (157, 326820), (195, 263132), (260, 197349), (314, 163410), (390, 131566), (419, 122460), (471, 108940), (628, 81705), (780, 65783), (785, 65364), (838, 61230), (942, 54470), (1257, 40820), (1570, 32682), (1676, 30615), (1884, 27235), (2041, 25140), (2095, 24492), (2355, 21788), (2514, 20410), (3140, 16341), (4082, 12570), (4190, 12246), (4710, 10894), (5028, 10205), (5447, 9420), (6123, 8380), (6285, 8164)]