127979820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1627}}^1$

素因数の和:1684

約数の個数: 144

約数和(自身を含む): 426666240

約数和(自身を除く): 298686420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 23, 30, 36, 38, 45, 46, 57, 60, 69, 76, 90, 92, 95, 114, 115, 138, 171, 180, 190, 207, 228, 230, 276, 285, 342, 345, 380, 414, 437, 460, 570, 684, 690, 828, 855, 874, 1035, 1140, 1311, 1380, 1627, 1710, 1748, 2070, 2185, 2622, 3254, 3420, 3933, 4140, 4370, 4881, 5244, 6508, 6555, 7866, 8135, 8740, 9762, 13110, 14643, 15732, 16270, 19524, 19665, 24405, 26220, 29286, 30913, 32540, 37421, 39330, 48810, 58572, 61826, 73215, 74842, 78660, 92739, 97620, 112263, 123652, 146430, 149684, 154565, 185478, 187105, 224526, 278217, 292860, 309130, 336789, 370956, 374210, 449052, 463695, 556434, 561315, 618260, 673578, 710999, 748420, 927390, 1112868, 1122630, 1347156, 1391085, 1421998, 1683945, 1854780, 2132997, 2245260, 2782170, 2843996, 3367890, 3554995, 4265994, 5564340, 6398991, 6735780, 7109990, 8531988, 10664985, 12797982, 14219980, 21329970, 25595964, 31994955, 42659940, 63989910, 127979820]

約数ペア:

[(1, 127979820), (2, 63989910), (3, 42659940), (4, 31994955), (5, 25595964), (6, 21329970), (9, 14219980), (10, 12797982), (12, 10664985), (15, 8531988), (18, 7109990), (19, 6735780), (20, 6398991), (23, 5564340), (30, 4265994), (36, 3554995), (38, 3367890), (45, 2843996), (46, 2782170), (57, 2245260), (60, 2132997), (69, 1854780), (76, 1683945), (90, 1421998), (92, 1391085), (95, 1347156), (114, 1122630), (115, 1112868), (138, 927390), (171, 748420), (180, 710999), (190, 673578), (207, 618260), (228, 561315), (230, 556434), (276, 463695), (285, 449052), (342, 374210), (345, 370956), (380, 336789), (414, 309130), (437, 292860), (460, 278217), (570, 224526), (684, 187105), (690, 185478), (828, 154565), (855, 149684), (874, 146430), (1035, 123652), (1140, 112263), (1311, 97620), (1380, 92739), (1627, 78660), (1710, 74842), (1748, 73215), (2070, 61826), (2185, 58572), (2622, 48810), (3254, 39330), (3420, 37421), (3933, 32540), (4140, 30913), (4370, 29286), (4881, 26220), (5244, 24405), (6508, 19665), (6555, 19524), (7866, 16270), (8135, 15732), (8740, 14643), (9762, 13110)]