311917680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{151}}^2$

素因数の和:340

約数の個数: 180

約数和(自身を含む): 1110007080

約数和(自身を除く): 798089400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 38, 40, 45, 48, 57, 60, 72, 76, 80, 90, 95, 114, 120, 144, 151, 152, 171, 180, 190, 228, 240, 285, 302, 304, 342, 360, 380, 453, 456, 570, 604, 684, 720, 755, 760, 855, 906, 912, 1140, 1208, 1359, 1368, 1510, 1520, 1710, 1812, 2265, 2280, 2416, 2718, 2736, 2869, 3020, 3420, 3624, 4530, 4560, 5436, 5738, 6040, 6795, 6840, 7248, 8607, 9060, 10872, 11476, 12080, 13590, 13680, 14345, 17214, 18120, 21744, 22801, 22952, 25821, 27180, 28690, 34428, 36240, 43035, 45602, 45904, 51642, 54360, 57380, 68403, 68856, 86070, 91204, 103284, 108720, 114005, 114760, 129105, 136806, 137712, 172140, 182408, 205209, 206568, 228010, 229520, 258210, 273612, 342015, 344280, 364816, 410418, 413136, 433219, 456020, 516420, 547224, 684030, 688560, 820836, 866438, 912040, 1026045, 1032840, 1094448, 1299657, 1368060, 1641672, 1732876, 1824080, 2052090, 2065680, 2166095, 2599314, 2736120, 3283344, 3465752, 3898971, 4104180, 4332190, 5198628, 5472240, 6498285, 6931504, 7797942, 8208360, 8664380, 10397256, 12996570, 15595884, 16416720, 17328760, 19494855, 20794512, 25993140, 31191768, 34657520, 38989710, 51986280, 62383536, 77979420, 103972560, 155958840, 311917680]

約数ペア:

[(1, 311917680), (2, 155958840), (3, 103972560), (4, 77979420), (5, 62383536), (6, 51986280), (8, 38989710), (9, 34657520), (10, 31191768), (12, 25993140), (15, 20794512), (16, 19494855), (18, 17328760), (19, 16416720), (20, 15595884), (24, 12996570), (30, 10397256), (36, 8664380), (38, 8208360), (40, 7797942), (45, 6931504), (48, 6498285), (57, 5472240), (60, 5198628), (72, 4332190), (76, 4104180), (80, 3898971), (90, 3465752), (95, 3283344), (114, 2736120), (120, 2599314), (144, 2166095), (151, 2065680), (152, 2052090), (171, 1824080), (180, 1732876), (190, 1641672), (228, 1368060), (240, 1299657), (285, 1094448), (302, 1032840), (304, 1026045), (342, 912040), (360, 866438), (380, 820836), (453, 688560), (456, 684030), (570, 547224), (604, 516420), (684, 456020), (720, 433219), (755, 413136), (760, 410418), (855, 364816), (906, 344280), (912, 342015), (1140, 273612), (1208, 258210), (1359, 229520), (1368, 228010), (1510, 206568), (1520, 205209), (1710, 182408), (1812, 172140), (2265, 137712), (2280, 136806), (2416, 129105), (2718, 114760), (2736, 114005), (2869, 108720), (3020, 103284), (3420, 91204), (3624, 86070), (4530, 68856), (4560, 68403), (5436, 57380), (5738, 54360), (6040, 51642), (6795, 45904), (6840, 45602), (7248, 43035), (8607, 36240), (9060, 34428), (10872, 28690), (11476, 27180), (12080, 25821), (13590, 22952), (13680, 22801), (14345, 21744), (17214, 18120)]