128879712

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{1187}}^1$

素因数の和:1245

約数の個数: 144

約数和(自身を含む): 408648240

約数和(自身を除く): 279768528

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 29, 32, 36, 39, 48, 52, 58, 72, 78, 87, 96, 104, 116, 117, 144, 156, 174, 208, 232, 234, 261, 288, 312, 348, 377, 416, 464, 468, 522, 624, 696, 754, 928, 936, 1044, 1131, 1187, 1248, 1392, 1508, 1872, 2088, 2262, 2374, 2784, 3016, 3393, 3561, 3744, 4176, 4524, 4748, 6032, 6786, 7122, 8352, 9048, 9496, 10683, 12064, 13572, 14244, 15431, 18096, 18992, 21366, 27144, 28488, 30862, 34423, 36192, 37984, 42732, 46293, 54288, 56976, 61724, 68846, 85464, 92586, 103269, 108576, 113952, 123448, 137692, 138879, 170928, 185172, 206538, 246896, 275384, 277758, 309807, 341856, 370344, 413076, 447499, 493792, 550768, 555516, 619614, 740688, 826152, 894998, 1101536, 1111032, 1239228, 1342497, 1481376, 1652304, 1789996, 2222064, 2478456, 2684994, 3304608, 3579992, 4027491, 4444128, 4956912, 5369988, 7159984, 8054982, 9913824, 10739976, 14319968, 16109964, 21479952, 32219928, 42959904, 64439856, 128879712]

約数ペア:

[(1, 128879712), (2, 64439856), (3, 42959904), (4, 32219928), (6, 21479952), (8, 16109964), (9, 14319968), (12, 10739976), (13, 9913824), (16, 8054982), (18, 7159984), (24, 5369988), (26, 4956912), (29, 4444128), (32, 4027491), (36, 3579992), (39, 3304608), (48, 2684994), (52, 2478456), (58, 2222064), (72, 1789996), (78, 1652304), (87, 1481376), (96, 1342497), (104, 1239228), (116, 1111032), (117, 1101536), (144, 894998), (156, 826152), (174, 740688), (208, 619614), (232, 555516), (234, 550768), (261, 493792), (288, 447499), (312, 413076), (348, 370344), (377, 341856), (416, 309807), (464, 277758), (468, 275384), (522, 246896), (624, 206538), (696, 185172), (754, 170928), (928, 138879), (936, 137692), (1044, 123448), (1131, 113952), (1187, 108576), (1248, 103269), (1392, 92586), (1508, 85464), (1872, 68846), (2088, 61724), (2262, 56976), (2374, 54288), (2784, 46293), (3016, 42732), (3393, 37984), (3561, 36192), (3744, 34423), (4176, 30862), (4524, 28488), (4748, 27144), (6032, 21366), (6786, 18992), (7122, 18096), (8352, 15431), (9048, 14244), (9496, 13572), (10683, 12064)]