81841320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{83}}^2$

素因数の和:197

約数の個数: 192

約数和(自身を含む): 301233600

約数和(自身を除く): 219392280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 27, 30, 33, 36, 40, 44, 45, 54, 55, 60, 66, 72, 83, 88, 90, 99, 108, 110, 120, 132, 135, 165, 166, 180, 198, 216, 220, 249, 264, 270, 297, 330, 332, 360, 396, 415, 440, 495, 498, 540, 594, 660, 664, 747, 792, 830, 913, 990, 996, 1080, 1188, 1245, 1320, 1485, 1494, 1660, 1826, 1980, 1992, 2241, 2376, 2490, 2739, 2970, 2988, 3320, 3652, 3735, 3960, 4482, 4565, 4980, 5478, 5940, 5976, 6889, 7304, 7470, 8217, 8964, 9130, 9960, 10956, 11205, 11880, 13695, 13778, 14940, 16434, 17928, 18260, 20667, 21912, 22410, 24651, 27390, 27556, 29880, 32868, 34445, 36520, 41085, 41334, 44820, 49302, 54780, 55112, 62001, 65736, 68890, 75779, 82170, 82668, 89640, 98604, 103335, 109560, 123255, 124002, 137780, 151558, 164340, 165336, 186003, 197208, 206670, 227337, 246510, 248004, 275560, 303116, 310005, 328680, 372006, 378895, 413340, 454674, 493020, 496008, 606232, 620010, 682011, 744012, 757790, 826680, 909348, 930015, 986040, 1136685, 1240020, 1364022, 1488024, 1515580, 1818696, 1860030, 2046033, 2273370, 2480040, 2728044, 3031160, 3410055, 3720060, 4092066, 4546740, 5456088, 6820110, 7440120, 8184132, 9093480, 10230165, 13640220, 16368264, 20460330, 27280440, 40920660, 81841320]

約数ペア:

[(1, 81841320), (2, 40920660), (3, 27280440), (4, 20460330), (5, 16368264), (6, 13640220), (8, 10230165), (9, 9093480), (10, 8184132), (11, 7440120), (12, 6820110), (15, 5456088), (18, 4546740), (20, 4092066), (22, 3720060), (24, 3410055), (27, 3031160), (30, 2728044), (33, 2480040), (36, 2273370), (40, 2046033), (44, 1860030), (45, 1818696), (54, 1515580), (55, 1488024), (60, 1364022), (66, 1240020), (72, 1136685), (83, 986040), (88, 930015), (90, 909348), (99, 826680), (108, 757790), (110, 744012), (120, 682011), (132, 620010), (135, 606232), (165, 496008), (166, 493020), (180, 454674), (198, 413340), (216, 378895), (220, 372006), (249, 328680), (264, 310005), (270, 303116), (297, 275560), (330, 248004), (332, 246510), (360, 227337), (396, 206670), (415, 197208), (440, 186003), (495, 165336), (498, 164340), (540, 151558), (594, 137780), (660, 124002), (664, 123255), (747, 109560), (792, 103335), (830, 98604), (913, 89640), (990, 82668), (996, 82170), (1080, 75779), (1188, 68890), (1245, 65736), (1320, 62001), (1485, 55112), (1494, 54780), (1660, 49302), (1826, 44820), (1980, 41334), (1992, 41085), (2241, 36520), (2376, 34445), (2490, 32868), (2739, 29880), (2970, 27556), (2988, 27390), (3320, 24651), (3652, 22410), (3735, 21912), (3960, 20667), (4482, 18260), (4565, 17928), (4980, 16434), (5478, 14940), (5940, 13778), (5976, 13695), (6889, 11880), (7304, 11205), (7470, 10956), (8217, 9960), (8964, 9130)]