12277040

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1$

素因数の和:270

約数の個数: 80

約数和(自身を含む): 30935520

約数和(自身を除く): 18658480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 41, 76, 80, 82, 95, 152, 164, 190, 197, 205, 304, 328, 380, 394, 410, 656, 760, 779, 788, 820, 985, 1520, 1558, 1576, 1640, 1970, 3116, 3152, 3280, 3743, 3895, 3940, 6232, 7486, 7790, 7880, 8077, 12464, 14972, 15580, 15760, 16154, 18715, 29944, 31160, 32308, 37430, 40385, 59888, 62320, 64616, 74860, 80770, 129232, 149720, 153463, 161540, 299440, 306926, 323080, 613852, 646160, 767315, 1227704, 1534630, 2455408, 3069260, 6138520, 12277040]

約数ペア:

[(1, 12277040), (2, 6138520), (4, 3069260), (5, 2455408), (8, 1534630), (10, 1227704), (16, 767315), (19, 646160), (20, 613852), (38, 323080), (40, 306926), (41, 299440), (76, 161540), (80, 153463), (82, 149720), (95, 129232), (152, 80770), (164, 74860), (190, 64616), (197, 62320), (205, 59888), (304, 40385), (328, 37430), (380, 32308), (394, 31160), (410, 29944), (656, 18715), (760, 16154), (779, 15760), (788, 15580), (820, 14972), (985, 12464), (1520, 8077), (1558, 7880), (1576, 7790), (1640, 7486), (1970, 6232), (3116, 3940), (3152, 3895), (3280, 3743)]