68540280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1$

素因数の和:453

約数の個数: 128

約数和(自身を含む): 216691200

約数和(自身を除く): 148150920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 43, 60, 74, 86, 111, 120, 129, 148, 172, 185, 215, 222, 258, 296, 344, 359, 370, 430, 444, 516, 555, 645, 718, 740, 860, 888, 1032, 1077, 1110, 1290, 1436, 1480, 1591, 1720, 1795, 2154, 2220, 2580, 2872, 3182, 3590, 4308, 4440, 4773, 5160, 5385, 6364, 7180, 7955, 8616, 9546, 10770, 12728, 13283, 14360, 15437, 15910, 19092, 21540, 23865, 26566, 30874, 31820, 38184, 39849, 43080, 46311, 47730, 53132, 61748, 63640, 66415, 77185, 79698, 92622, 95460, 106264, 123496, 132830, 154370, 159396, 185244, 190920, 199245, 231555, 265660, 308740, 318792, 370488, 398490, 463110, 531320, 571169, 617480, 796980, 926220, 1142338, 1593960, 1713507, 1852440, 2284676, 2855845, 3427014, 4569352, 5711690, 6854028, 8567535, 11423380, 13708056, 17135070, 22846760, 34270140, 68540280]

約数ペア:

[(1, 68540280), (2, 34270140), (3, 22846760), (4, 17135070), (5, 13708056), (6, 11423380), (8, 8567535), (10, 6854028), (12, 5711690), (15, 4569352), (20, 3427014), (24, 2855845), (30, 2284676), (37, 1852440), (40, 1713507), (43, 1593960), (60, 1142338), (74, 926220), (86, 796980), (111, 617480), (120, 571169), (129, 531320), (148, 463110), (172, 398490), (185, 370488), (215, 318792), (222, 308740), (258, 265660), (296, 231555), (344, 199245), (359, 190920), (370, 185244), (430, 159396), (444, 154370), (516, 132830), (555, 123496), (645, 106264), (718, 95460), (740, 92622), (860, 79698), (888, 77185), (1032, 66415), (1077, 63640), (1110, 61748), (1290, 53132), (1436, 47730), (1480, 46311), (1591, 43080), (1720, 39849), (1795, 38184), (2154, 31820), (2220, 30874), (2580, 26566), (2872, 23865), (3182, 21540), (3590, 19092), (4308, 15910), (4440, 15437), (4773, 14360), (5160, 13283), (5385, 12728), (6364, 10770), (7180, 9546), (7955, 8616)]