12271280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{1289}}^1$

素因数の和:1326

約数の個数: 80

約数和(自身を含む): 34551360

約数和(自身を除く): 22280080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 17, 20, 28, 34, 35, 40, 56, 68, 70, 80, 85, 112, 119, 136, 140, 170, 238, 272, 280, 340, 476, 560, 595, 680, 952, 1190, 1289, 1360, 1904, 2380, 2578, 4760, 5156, 6445, 9023, 9520, 10312, 12890, 18046, 20624, 21913, 25780, 36092, 43826, 45115, 51560, 72184, 87652, 90230, 103120, 109565, 144368, 153391, 175304, 180460, 219130, 306782, 350608, 360920, 438260, 613564, 721840, 766955, 876520, 1227128, 1533910, 1753040, 2454256, 3067820, 6135640, 12271280]

約数ペア:

[(1, 12271280), (2, 6135640), (4, 3067820), (5, 2454256), (7, 1753040), (8, 1533910), (10, 1227128), (14, 876520), (16, 766955), (17, 721840), (20, 613564), (28, 438260), (34, 360920), (35, 350608), (40, 306782), (56, 219130), (68, 180460), (70, 175304), (80, 153391), (85, 144368), (112, 109565), (119, 103120), (136, 90230), (140, 87652), (170, 72184), (238, 51560), (272, 45115), (280, 43826), (340, 36092), (476, 25780), (560, 21913), (595, 20624), (680, 18046), (952, 12890), (1190, 10312), (1289, 9520), (1360, 9023), (1904, 6445), (2380, 5156), (2578, 4760)]