64381680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{739}}^1$

素因数の和:780

約数の個数: 180

約数和(自身を含む): 237979560

約数和(自身を除く): 173597880

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 121, 132, 144, 165, 176, 180, 198, 220, 240, 242, 264, 330, 360, 363, 396, 440, 484, 495, 528, 605, 660, 720, 726, 739, 792, 880, 968, 990, 1089, 1210, 1320, 1452, 1478, 1584, 1815, 1936, 1980, 2178, 2217, 2420, 2640, 2904, 2956, 3630, 3695, 3960, 4356, 4434, 4840, 5445, 5808, 5912, 6651, 7260, 7390, 7920, 8129, 8712, 8868, 9680, 10890, 11085, 11824, 13302, 14520, 14780, 16258, 17424, 17736, 21780, 22170, 24387, 26604, 29040, 29560, 32516, 33255, 35472, 40645, 43560, 44340, 48774, 53208, 59120, 65032, 66510, 73161, 81290, 87120, 88680, 89419, 97548, 106416, 121935, 130064, 133020, 146322, 162580, 177360, 178838, 195096, 243870, 266040, 268257, 292644, 325160, 357676, 365805, 390192, 447095, 487740, 532080, 536514, 585288, 650320, 715352, 731610, 804771, 894190, 975480, 1073028, 1170576, 1341285, 1430704, 1463220, 1609542, 1788380, 1950960, 2146056, 2682570, 2926440, 3219084, 3576760, 4023855, 4292112, 5365140, 5852880, 6438168, 7153520, 8047710, 10730280, 12876336, 16095420, 21460560, 32190840, 64381680]

約数ペア:

[(1, 64381680), (2, 32190840), (3, 21460560), (4, 16095420), (5, 12876336), (6, 10730280), (8, 8047710), (9, 7153520), (10, 6438168), (11, 5852880), (12, 5365140), (15, 4292112), (16, 4023855), (18, 3576760), (20, 3219084), (22, 2926440), (24, 2682570), (30, 2146056), (33, 1950960), (36, 1788380), (40, 1609542), (44, 1463220), (45, 1430704), (48, 1341285), (55, 1170576), (60, 1073028), (66, 975480), (72, 894190), (80, 804771), (88, 731610), (90, 715352), (99, 650320), (110, 585288), (120, 536514), (121, 532080), (132, 487740), (144, 447095), (165, 390192), (176, 365805), (180, 357676), (198, 325160), (220, 292644), (240, 268257), (242, 266040), (264, 243870), (330, 195096), (360, 178838), (363, 177360), (396, 162580), (440, 146322), (484, 133020), (495, 130064), (528, 121935), (605, 106416), (660, 97548), (720, 89419), (726, 88680), (739, 87120), (792, 81290), (880, 73161), (968, 66510), (990, 65032), (1089, 59120), (1210, 53208), (1320, 48774), (1452, 44340), (1478, 43560), (1584, 40645), (1815, 35472), (1936, 33255), (1980, 32516), (2178, 29560), (2217, 29040), (2420, 26604), (2640, 24387), (2904, 22170), (2956, 21780), (3630, 17736), (3695, 17424), (3960, 16258), (4356, 14780), (4434, 14520), (4840, 13302), (5445, 11824), (5808, 11085), (5912, 10890), (6651, 9680), (7260, 8868), (7390, 8712), (7920, 8129)]