278975880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2663}}^1$

素因数の和:2780

約数の個数: 128

約数和(自身を含む): 939859200

約数和(自身を除く): 660883320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 97, 108, 120, 135, 180, 194, 216, 270, 291, 360, 388, 485, 540, 582, 776, 873, 970, 1080, 1164, 1455, 1746, 1940, 2328, 2619, 2663, 2910, 3492, 3880, 4365, 5238, 5326, 5820, 6984, 7989, 8730, 10476, 10652, 11640, 13095, 13315, 15978, 17460, 20952, 21304, 23967, 26190, 26630, 31956, 34920, 39945, 47934, 52380, 53260, 63912, 71901, 79890, 95868, 104760, 106520, 119835, 143802, 159780, 191736, 239670, 258311, 287604, 319560, 359505, 479340, 516622, 575208, 719010, 774933, 958680, 1033244, 1291555, 1438020, 1549866, 2066488, 2324799, 2583110, 2876040, 3099732, 3874665, 4649598, 5166220, 6199464, 6974397, 7749330, 9299196, 10332440, 11623995, 13948794, 15498660, 18598392, 23247990, 27897588, 30997320, 34871985, 46495980, 55795176, 69743970, 92991960, 139487940, 278975880]

約数ペア:

[(1, 278975880), (2, 139487940), (3, 92991960), (4, 69743970), (5, 55795176), (6, 46495980), (8, 34871985), (9, 30997320), (10, 27897588), (12, 23247990), (15, 18598392), (18, 15498660), (20, 13948794), (24, 11623995), (27, 10332440), (30, 9299196), (36, 7749330), (40, 6974397), (45, 6199464), (54, 5166220), (60, 4649598), (72, 3874665), (90, 3099732), (97, 2876040), (108, 2583110), (120, 2324799), (135, 2066488), (180, 1549866), (194, 1438020), (216, 1291555), (270, 1033244), (291, 958680), (360, 774933), (388, 719010), (485, 575208), (540, 516622), (582, 479340), (776, 359505), (873, 319560), (970, 287604), (1080, 258311), (1164, 239670), (1455, 191736), (1746, 159780), (1940, 143802), (2328, 119835), (2619, 106520), (2663, 104760), (2910, 95868), (3492, 79890), (3880, 71901), (4365, 63912), (5238, 53260), (5326, 52380), (5820, 47934), (6984, 39945), (7989, 34920), (8730, 31956), (10476, 26630), (10652, 26190), (11640, 23967), (13095, 21304), (13315, 20952), (15978, 17460)]