1780147160

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{197}}^1\times {\mathrm{1867}}^1$

素因数の和:2097

約数の個数: 96

約数和(自身を含む): 4427272080

約数和(自身を除く): 2647124920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 121, 197, 220, 242, 394, 440, 484, 605, 788, 968, 985, 1210, 1576, 1867, 1970, 2167, 2420, 3734, 3940, 4334, 4840, 7468, 7880, 8668, 9335, 10835, 14936, 17336, 18670, 20537, 21670, 23837, 37340, 41074, 43340, 47674, 74680, 82148, 86680, 95348, 102685, 119185, 164296, 190696, 205370, 225907, 238370, 367799, 410740, 451814, 476740, 735598, 821480, 903628, 953480, 1129535, 1471196, 1807256, 1838995, 2259070, 2942392, 3677990, 4045789, 4518140, 7355980, 8091578, 9036280, 14711960, 16183156, 20228945, 32366312, 40457890, 44503679, 80915780, 89007358, 161831560, 178014716, 222518395, 356029432, 445036790, 890073580, 1780147160]

約数ペア:

[(1, 1780147160), (2, 890073580), (4, 445036790), (5, 356029432), (8, 222518395), (10, 178014716), (11, 161831560), (20, 89007358), (22, 80915780), (40, 44503679), (44, 40457890), (55, 32366312), (88, 20228945), (110, 16183156), (121, 14711960), (197, 9036280), (220, 8091578), (242, 7355980), (394, 4518140), (440, 4045789), (484, 3677990), (605, 2942392), (788, 2259070), (968, 1838995), (985, 1807256), (1210, 1471196), (1576, 1129535), (1867, 953480), (1970, 903628), (2167, 821480), (2420, 735598), (3734, 476740), (3940, 451814), (4334, 410740), (4840, 367799), (7468, 238370), (7880, 225907), (8668, 205370), (9335, 190696), (10835, 164296), (14936, 119185), (17336, 102685), (18670, 95348), (20537, 86680), (21670, 82148), (23837, 74680), (37340, 47674), (41074, 43340)]