81645300

素因数分解:

$2^2\times 3^3\times 5^2\times {\mathrm{11}}^1\times {\mathrm{2749}}^1$

素因数の和:2783

約数の個数: 144

約数和(自身を含む): 286440000

約数和(自身を除く): 204794700

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 27, 30, 33, 36, 44, 45, 50, 54, 55, 60, 66, 75, 90, 99, 100, 108, 110, 132, 135, 150, 165, 180, 198, 220, 225, 270, 275, 297, 300, 330, 396, 450, 495, 540, 550, 594, 660, 675, 825, 900, 990, 1100, 1188, 1350, 1485, 1650, 1980, 2475, 2700, 2749, 2970, 3300, 4950, 5498, 5940, 7425, 8247, 9900, 10996, 13745, 14850, 16494, 24741, 27490, 29700, 30239, 32988, 41235, 49482, 54980, 60478, 68725, 74223, 82470, 90717, 98964, 120956, 123705, 137450, 148446, 151195, 164940, 181434, 206175, 247410, 272151, 274900, 296892, 302390, 362868, 371115, 412350, 453585, 494820, 544302, 604780, 618525, 742230, 755975, 816453, 824700, 907170, 1088604, 1237050, 1360755, 1484460, 1511950, 1632906, 1814340, 1855575, 2267925, 2474100, 2721510, 3023900, 3265812, 3711150, 4082265, 4535850, 5443020, 6803775, 7422300, 8164530, 9071700, 13607550, 16329060, 20411325, 27215100, 40822650, 81645300]

約数ペア:

[(1, 81645300), (2, 40822650), (3, 27215100), (4, 20411325), (5, 16329060), (6, 13607550), (9, 9071700), (10, 8164530), (11, 7422300), (12, 6803775), (15, 5443020), (18, 4535850), (20, 4082265), (22, 3711150), (25, 3265812), (27, 3023900), (30, 2721510), (33, 2474100), (36, 2267925), (44, 1855575), (45, 1814340), (50, 1632906), (54, 1511950), (55, 1484460), (60, 1360755), (66, 1237050), (75, 1088604), (90, 907170), (99, 824700), (100, 816453), (108, 755975), (110, 742230), (132, 618525), (135, 604780), (150, 544302), (165, 494820), (180, 453585), (198, 412350), (220, 371115), (225, 362868), (270, 302390), (275, 296892), (297, 274900), (300, 272151), (330, 247410), (396, 206175), (450, 181434), (495, 164940), (540, 151195), (550, 148446), (594, 137450), (660, 123705), (675, 120956), (825, 98964), (900, 90717), (990, 82470), (1100, 74223), (1188, 68725), (1350, 60478), (1485, 54980), (1650, 49482), (1980, 41235), (2475, 32988), (2700, 30239), (2749, 29700), (2970, 27490), (3300, 24741), (4950, 16494), (5498, 14850), (5940, 13745), (7425, 10996), (8247, 9900)]