87021960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{157}}^1$

素因数の和:351

約数の個数: 128

約数和(自身を含む): 273024000

約数和(自身を除く): 186002040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 149, 155, 157, 186, 248, 298, 310, 314, 372, 447, 465, 471, 596, 620, 628, 744, 745, 785, 894, 930, 942, 1192, 1240, 1256, 1490, 1570, 1788, 1860, 1884, 2235, 2355, 2980, 3140, 3576, 3720, 3768, 4470, 4619, 4710, 4867, 5960, 6280, 8940, 9238, 9420, 9734, 13857, 14601, 17880, 18476, 18840, 19468, 23095, 23393, 24335, 27714, 29202, 36952, 38936, 46190, 46786, 48670, 55428, 58404, 69285, 70179, 73005, 92380, 93572, 97340, 110856, 116808, 116965, 138570, 140358, 146010, 184760, 187144, 194680, 233930, 277140, 280716, 292020, 350895, 467860, 554280, 561432, 584040, 701790, 725183, 935720, 1403580, 1450366, 2175549, 2807160, 2900732, 3625915, 4351098, 5801464, 7251830, 8702196, 10877745, 14503660, 17404392, 21755490, 29007320, 43510980, 87021960]

約数ペア:

[(1, 87021960), (2, 43510980), (3, 29007320), (4, 21755490), (5, 17404392), (6, 14503660), (8, 10877745), (10, 8702196), (12, 7251830), (15, 5801464), (20, 4351098), (24, 3625915), (30, 2900732), (31, 2807160), (40, 2175549), (60, 1450366), (62, 1403580), (93, 935720), (120, 725183), (124, 701790), (149, 584040), (155, 561432), (157, 554280), (186, 467860), (248, 350895), (298, 292020), (310, 280716), (314, 277140), (372, 233930), (447, 194680), (465, 187144), (471, 184760), (596, 146010), (620, 140358), (628, 138570), (744, 116965), (745, 116808), (785, 110856), (894, 97340), (930, 93572), (942, 92380), (1192, 73005), (1240, 70179), (1256, 69285), (1490, 58404), (1570, 55428), (1788, 48670), (1860, 46786), (1884, 46190), (2235, 38936), (2355, 36952), (2980, 29202), (3140, 27714), (3576, 24335), (3720, 23393), (3768, 23095), (4470, 19468), (4619, 18840), (4710, 18476), (4867, 17880), (5960, 14601), (6280, 13857), (8940, 9734), (9238, 9420)]