84756420

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:650

約数の個数: 144

約数和(自身を含む): 296569728

約数和(自身を除く): 211813308

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 137, 140, 180, 210, 252, 274, 315, 411, 420, 491, 548, 630, 685, 822, 959, 982, 1233, 1260, 1370, 1473, 1644, 1918, 1964, 2055, 2455, 2466, 2740, 2877, 2946, 3437, 3836, 4110, 4419, 4795, 4910, 4932, 5754, 5892, 6165, 6874, 7365, 8220, 8631, 8838, 9590, 9820, 10311, 11508, 12330, 13748, 14385, 14730, 17185, 17262, 17676, 19180, 20622, 22095, 24660, 28770, 29460, 30933, 34370, 34524, 41244, 43155, 44190, 51555, 57540, 61866, 67267, 68740, 86310, 88380, 103110, 123732, 134534, 154665, 172620, 201801, 206220, 269068, 309330, 336335, 403602, 470869, 605403, 618660, 672670, 807204, 941738, 1009005, 1210806, 1345340, 1412607, 1883476, 2018010, 2354345, 2421612, 2825214, 3027015, 4036020, 4237821, 4708690, 5650428, 6054030, 7063035, 8475642, 9417380, 12108060, 14126070, 16951284, 21189105, 28252140, 42378210, 84756420]

約数ペア:

[(1, 84756420), (2, 42378210), (3, 28252140), (4, 21189105), (5, 16951284), (6, 14126070), (7, 12108060), (9, 9417380), (10, 8475642), (12, 7063035), (14, 6054030), (15, 5650428), (18, 4708690), (20, 4237821), (21, 4036020), (28, 3027015), (30, 2825214), (35, 2421612), (36, 2354345), (42, 2018010), (45, 1883476), (60, 1412607), (63, 1345340), (70, 1210806), (84, 1009005), (90, 941738), (105, 807204), (126, 672670), (137, 618660), (140, 605403), (180, 470869), (210, 403602), (252, 336335), (274, 309330), (315, 269068), (411, 206220), (420, 201801), (491, 172620), (548, 154665), (630, 134534), (685, 123732), (822, 103110), (959, 88380), (982, 86310), (1233, 68740), (1260, 67267), (1370, 61866), (1473, 57540), (1644, 51555), (1918, 44190), (1964, 43155), (2055, 41244), (2455, 34524), (2466, 34370), (2740, 30933), (2877, 29460), (2946, 28770), (3437, 24660), (3836, 22095), (4110, 20622), (4419, 19180), (4795, 17676), (4910, 17262), (4932, 17185), (5754, 14730), (5892, 14385), (6165, 13748), (6874, 12330), (7365, 11508), (8220, 10311), (8631, 9820), (8838, 9590)]