20170150840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1\times {\mathrm{5623}}^1$

素因数の和:6221

約数の個数: 128

約数和(自身を含む): 54227957760

約数和(自身を除く): 34057806920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 557, 644, 805, 920, 1114, 1288, 1610, 2228, 2785, 3220, 3899, 4456, 5570, 5623, 6440, 7798, 11140, 11246, 12811, 15596, 19495, 22280, 22492, 25622, 28115, 31192, 38990, 39361, 44984, 51244, 56230, 64055, 77980, 78722, 89677, 102488, 112460, 128110, 129329, 155960, 157444, 179354, 196805, 224920, 256220, 258658, 314888, 358708, 393610, 448385, 512440, 517316, 646645, 717416, 787220, 896770, 905303, 1034632, 1293290, 1574440, 1793540, 1810606, 2586580, 3132011, 3587080, 3621212, 4526515, 5173160, 6264022, 7242424, 9053030, 12528044, 15660055, 18106060, 21924077, 25056088, 31320110, 36212120, 43848154, 62640220, 72036253, 87696308, 109620385, 125280440, 144072506, 175392616, 219240770, 288145012, 360181265, 438481540, 504253771, 576290024, 720362530, 876963080, 1008507542, 1440725060, 2017015084, 2521268855, 2881450120, 4034030168, 5042537710, 10085075420, 20170150840]

約数ペア:

[(1, 20170150840), (2, 10085075420), (4, 5042537710), (5, 4034030168), (7, 2881450120), (8, 2521268855), (10, 2017015084), (14, 1440725060), (20, 1008507542), (23, 876963080), (28, 720362530), (35, 576290024), (40, 504253771), (46, 438481540), (56, 360181265), (70, 288145012), (92, 219240770), (115, 175392616), (140, 144072506), (161, 125280440), (184, 109620385), (230, 87696308), (280, 72036253), (322, 62640220), (460, 43848154), (557, 36212120), (644, 31320110), (805, 25056088), (920, 21924077), (1114, 18106060), (1288, 15660055), (1610, 12528044), (2228, 9053030), (2785, 7242424), (3220, 6264022), (3899, 5173160), (4456, 4526515), (5570, 3621212), (5623, 3587080), (6440, 3132011), (7798, 2586580), (11140, 1810606), (11246, 1793540), (12811, 1574440), (15596, 1293290), (19495, 1034632), (22280, 905303), (22492, 896770), (25622, 787220), (28115, 717416), (31192, 646645), (38990, 517316), (39361, 512440), (44984, 448385), (51244, 393610), (56230, 358708), (64055, 314888), (77980, 258658), (78722, 256220), (89677, 224920), (102488, 196805), (112460, 179354), (128110, 157444), (129329, 155960)]