2016129640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1\times {\mathrm{647}}^1$

素因数の和:1055

約数の個数: 128

約数和(自身を含む): 5374771200

約数和(自身を除く): 3358641560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 280, 310, 359, 434, 620, 647, 718, 868, 1085, 1240, 1294, 1436, 1736, 1795, 2170, 2513, 2588, 2872, 3235, 3590, 4340, 4529, 5026, 5176, 6470, 7180, 8680, 9058, 10052, 11129, 12565, 12940, 14360, 18116, 20057, 20104, 22258, 22645, 25130, 25880, 36232, 40114, 44516, 45290, 50260, 55645, 77903, 80228, 89032, 90580, 100285, 100520, 111290, 140399, 155806, 160456, 181160, 200570, 222580, 232273, 280798, 311612, 389515, 401140, 445160, 464546, 561596, 623224, 701995, 779030, 802280, 929092, 1123192, 1161365, 1403990, 1558060, 1625911, 1858184, 2322730, 2807980, 3116120, 3251822, 4645460, 5615960, 6503644, 7200463, 8129555, 9290920, 13007288, 14400926, 16259110, 28801852, 32518220, 36002315, 50403241, 57603704, 65036440, 72004630, 100806482, 144009260, 201612964, 252016205, 288018520, 403225928, 504032410, 1008064820, 2016129640]

約数ペア:

[(1, 2016129640), (2, 1008064820), (4, 504032410), (5, 403225928), (7, 288018520), (8, 252016205), (10, 201612964), (14, 144009260), (20, 100806482), (28, 72004630), (31, 65036440), (35, 57603704), (40, 50403241), (56, 36002315), (62, 32518220), (70, 28801852), (124, 16259110), (140, 14400926), (155, 13007288), (217, 9290920), (248, 8129555), (280, 7200463), (310, 6503644), (359, 5615960), (434, 4645460), (620, 3251822), (647, 3116120), (718, 2807980), (868, 2322730), (1085, 1858184), (1240, 1625911), (1294, 1558060), (1436, 1403990), (1736, 1161365), (1795, 1123192), (2170, 929092), (2513, 802280), (2588, 779030), (2872, 701995), (3235, 623224), (3590, 561596), (4340, 464546), (4529, 445160), (5026, 401140), (5176, 389515), (6470, 311612), (7180, 280798), (8680, 232273), (9058, 222580), (10052, 200570), (11129, 181160), (12565, 160456), (12940, 155806), (14360, 140399), (18116, 111290), (20057, 100520), (20104, 100285), (22258, 90580), (22645, 89032), (25130, 80228), (25880, 77903), (36232, 55645), (40114, 50260), (44516, 45290)]