64769320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1237}}^1$

素因数の和:1283

約数の個数: 128

約数和(自身を含む): 192533760

約数和(自身を除く): 127764440

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 28, 34, 35, 40, 44, 55, 56, 68, 70, 77, 85, 88, 110, 119, 136, 140, 154, 170, 187, 220, 238, 280, 308, 340, 374, 385, 440, 476, 595, 616, 680, 748, 770, 935, 952, 1190, 1237, 1309, 1496, 1540, 1870, 2380, 2474, 2618, 3080, 3740, 4760, 4948, 5236, 6185, 6545, 7480, 8659, 9896, 10472, 12370, 13090, 13607, 17318, 21029, 24740, 26180, 27214, 34636, 42058, 43295, 49480, 52360, 54428, 68035, 69272, 84116, 86590, 95249, 105145, 108856, 136070, 147203, 168232, 173180, 190498, 210290, 231319, 272140, 294406, 346360, 380996, 420580, 462638, 476245, 544280, 588812, 736015, 761992, 841160, 925276, 952490, 1156595, 1177624, 1472030, 1619233, 1850552, 1904980, 2313190, 2944060, 3238466, 3809960, 4626380, 5888120, 6476932, 8096165, 9252760, 12953864, 16192330, 32384660, 64769320]

約数ペア:

[(1, 64769320), (2, 32384660), (4, 16192330), (5, 12953864), (7, 9252760), (8, 8096165), (10, 6476932), (11, 5888120), (14, 4626380), (17, 3809960), (20, 3238466), (22, 2944060), (28, 2313190), (34, 1904980), (35, 1850552), (40, 1619233), (44, 1472030), (55, 1177624), (56, 1156595), (68, 952490), (70, 925276), (77, 841160), (85, 761992), (88, 736015), (110, 588812), (119, 544280), (136, 476245), (140, 462638), (154, 420580), (170, 380996), (187, 346360), (220, 294406), (238, 272140), (280, 231319), (308, 210290), (340, 190498), (374, 173180), (385, 168232), (440, 147203), (476, 136070), (595, 108856), (616, 105145), (680, 95249), (748, 86590), (770, 84116), (935, 69272), (952, 68035), (1190, 54428), (1237, 52360), (1309, 49480), (1496, 43295), (1540, 42058), (1870, 34636), (2380, 27214), (2474, 26180), (2618, 24740), (3080, 21029), (3740, 17318), (4760, 13607), (4948, 13090), (5236, 12370), (6185, 10472), (6545, 9896), (7480, 8659)]