420755688

素因数分解:

$2^3\times 3^3\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{509}}^1$

素因数の和:656

約数の個数: 128

約数和(自身を含む): 1211760000

約数和(自身を除く): 791004312

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 43, 54, 72, 86, 89, 108, 129, 172, 178, 216, 258, 267, 344, 356, 387, 509, 516, 534, 712, 774, 801, 1018, 1032, 1068, 1161, 1527, 1548, 1602, 2036, 2136, 2322, 2403, 3054, 3096, 3204, 3827, 4072, 4581, 4644, 4806, 6108, 6408, 7654, 9162, 9288, 9612, 11481, 12216, 13743, 15308, 18324, 19224, 21887, 22962, 27486, 30616, 34443, 36648, 43774, 45301, 45924, 54972, 65661, 68886, 87548, 90602, 91848, 103329, 109944, 131322, 135903, 137772, 175096, 181204, 196983, 206658, 262644, 271806, 275544, 362408, 393966, 407709, 413316, 525288, 543612, 590949, 787932, 815418, 826632, 1087224, 1181898, 1223127, 1575864, 1630836, 1947943, 2363796, 2446254, 3261672, 3895886, 4727592, 4892508, 5843829, 7791772, 9785016, 11687658, 15583544, 17531487, 23375316, 35062974, 46750632, 52594461, 70125948, 105188922, 140251896, 210377844, 420755688]

約数ペア:

[(1, 420755688), (2, 210377844), (3, 140251896), (4, 105188922), (6, 70125948), (8, 52594461), (9, 46750632), (12, 35062974), (18, 23375316), (24, 17531487), (27, 15583544), (36, 11687658), (43, 9785016), (54, 7791772), (72, 5843829), (86, 4892508), (89, 4727592), (108, 3895886), (129, 3261672), (172, 2446254), (178, 2363796), (216, 1947943), (258, 1630836), (267, 1575864), (344, 1223127), (356, 1181898), (387, 1087224), (509, 826632), (516, 815418), (534, 787932), (712, 590949), (774, 543612), (801, 525288), (1018, 413316), (1032, 407709), (1068, 393966), (1161, 362408), (1527, 275544), (1548, 271806), (1602, 262644), (2036, 206658), (2136, 196983), (2322, 181204), (2403, 175096), (3054, 137772), (3096, 135903), (3204, 131322), (3827, 109944), (4072, 103329), (4581, 91848), (4644, 90602), (4806, 87548), (6108, 68886), (6408, 65661), (7654, 54972), (9162, 45924), (9288, 45301), (9612, 43774), (11481, 36648), (12216, 34443), (13743, 30616), (15308, 27486), (18324, 22962), (19224, 21887)]