1291298520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{15307}}^1$

素因数の和:15377

約数の個数: 128

約数和(自身を含む): 4188268800

約数和(自身を除く): 2896970280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 37, 38, 40, 57, 60, 74, 76, 95, 111, 114, 120, 148, 152, 185, 190, 222, 228, 285, 296, 370, 380, 444, 456, 555, 570, 703, 740, 760, 888, 1110, 1140, 1406, 1480, 2109, 2220, 2280, 2812, 3515, 4218, 4440, 5624, 7030, 8436, 10545, 14060, 15307, 16872, 21090, 28120, 30614, 42180, 45921, 61228, 76535, 84360, 91842, 122456, 153070, 183684, 229605, 290833, 306140, 367368, 459210, 566359, 581666, 612280, 872499, 918420, 1132718, 1163332, 1454165, 1699077, 1744998, 1836840, 2265436, 2326664, 2831795, 2908330, 3398154, 3489996, 4362495, 4530872, 5663590, 5816660, 6796308, 6979992, 8495385, 8724990, 10760821, 11327180, 11633320, 13592616, 16990770, 17449980, 21521642, 22654360, 32282463, 33981540, 34899960, 43043284, 53804105, 64564926, 67963080, 86086568, 107608210, 129129852, 161412315, 215216420, 258259704, 322824630, 430432840, 645649260, 1291298520]

約数ペア:

[(1, 1291298520), (2, 645649260), (3, 430432840), (4, 322824630), (5, 258259704), (6, 215216420), (8, 161412315), (10, 129129852), (12, 107608210), (15, 86086568), (19, 67963080), (20, 64564926), (24, 53804105), (30, 43043284), (37, 34899960), (38, 33981540), (40, 32282463), (57, 22654360), (60, 21521642), (74, 17449980), (76, 16990770), (95, 13592616), (111, 11633320), (114, 11327180), (120, 10760821), (148, 8724990), (152, 8495385), (185, 6979992), (190, 6796308), (222, 5816660), (228, 5663590), (285, 4530872), (296, 4362495), (370, 3489996), (380, 3398154), (444, 2908330), (456, 2831795), (555, 2326664), (570, 2265436), (703, 1836840), (740, 1744998), (760, 1699077), (888, 1454165), (1110, 1163332), (1140, 1132718), (1406, 918420), (1480, 872499), (2109, 612280), (2220, 581666), (2280, 566359), (2812, 459210), (3515, 367368), (4218, 306140), (4440, 290833), (5624, 229605), (7030, 183684), (8436, 153070), (10545, 122456), (14060, 91842), (15307, 84360), (16872, 76535), (21090, 61228), (28120, 45921), (30614, 42180)]