138877440

素因数分解:

$2^9\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{107}}^1$

素因数の和:159

約数の個数: 240

約数和(自身を含む): 485245728

約数和(自身を除く): 346368288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 107, 120, 128, 130, 156, 160, 169, 192, 195, 208, 214, 240, 256, 260, 312, 320, 321, 338, 384, 390, 416, 428, 480, 507, 512, 520, 535, 624, 640, 642, 676, 768, 780, 832, 845, 856, 960, 1014, 1040, 1070, 1248, 1280, 1284, 1352, 1391, 1536, 1560, 1605, 1664, 1690, 1712, 1920, 2028, 2080, 2140, 2496, 2535, 2560, 2568, 2704, 2782, 3120, 3210, 3328, 3380, 3424, 3840, 4056, 4160, 4173, 4280, 4992, 5070, 5136, 5408, 5564, 6240, 6420, 6656, 6760, 6848, 6955, 7680, 8112, 8320, 8346, 8560, 9984, 10140, 10272, 10816, 11128, 12480, 12840, 13520, 13696, 13910, 16224, 16640, 16692, 17120, 18083, 19968, 20280, 20544, 20865, 21632, 22256, 24960, 25680, 27040, 27392, 27820, 32448, 33280, 33384, 34240, 36166, 40560, 41088, 41730, 43264, 44512, 49920, 51360, 54080, 54249, 54784, 55640, 64896, 66768, 68480, 72332, 81120, 82176, 83460, 86528, 89024, 90415, 99840, 102720, 108160, 108498, 111280, 129792, 133536, 136960, 144664, 162240, 164352, 166920, 178048, 180830, 205440, 216320, 216996, 222560, 259584, 267072, 271245, 273920, 289328, 324480, 333840, 356096, 361660, 410880, 432640, 433992, 445120, 534144, 542490, 578656, 648960, 667680, 712192, 723320, 821760, 867984, 890240, 1068288, 1084980, 1157312, 1297920, 1335360, 1446640, 1735968, 1780480, 2136576, 2169960, 2314624, 2670720, 2893280, 3471936, 3560960, 4339920, 4629248, 5341440, 5786560, 6943872, 8679840, 9258496, 10682880, 11573120, 13887744, 17359680, 23146240, 27775488, 34719360, 46292480, 69438720, 138877440]

約数ペア:

[(1, 138877440), (2, 69438720), (3, 46292480), (4, 34719360), (5, 27775488), (6, 23146240), (8, 17359680), (10, 13887744), (12, 11573120), (13, 10682880), (15, 9258496), (16, 8679840), (20, 6943872), (24, 5786560), (26, 5341440), (30, 4629248), (32, 4339920), (39, 3560960), (40, 3471936), (48, 2893280), (52, 2670720), (60, 2314624), (64, 2169960), (65, 2136576), (78, 1780480), (80, 1735968), (96, 1446640), (104, 1335360), (107, 1297920), (120, 1157312), (128, 1084980), (130, 1068288), (156, 890240), (160, 867984), (169, 821760), (192, 723320), (195, 712192), (208, 667680), (214, 648960), (240, 578656), (256, 542490), (260, 534144), (312, 445120), (320, 433992), (321, 432640), (338, 410880), (384, 361660), (390, 356096), (416, 333840), (428, 324480), (480, 289328), (507, 273920), (512, 271245), (520, 267072), (535, 259584), (624, 222560), (640, 216996), (642, 216320), (676, 205440), (768, 180830), (780, 178048), (832, 166920), (845, 164352), (856, 162240), (960, 144664), (1014, 136960), (1040, 133536), (1070, 129792), (1248, 111280), (1280, 108498), (1284, 108160), (1352, 102720), (1391, 99840), (1536, 90415), (1560, 89024), (1605, 86528), (1664, 83460), (1690, 82176), (1712, 81120), (1920, 72332), (2028, 68480), (2080, 66768), (2140, 64896), (2496, 55640), (2535, 54784), (2560, 54249), (2568, 54080), (2704, 51360), (2782, 49920), (3120, 44512), (3210, 43264), (3328, 41730), (3380, 41088), (3424, 40560), (3840, 36166), (4056, 34240), (4160, 33384), (4173, 33280), (4280, 32448), (4992, 27820), (5070, 27392), (5136, 27040), (5408, 25680), (5564, 24960), (6240, 22256), (6420, 21632), (6656, 20865), (6760, 20544), (6848, 20280), (6955, 19968), (7680, 18083), (8112, 17120), (8320, 16692), (8346, 16640), (8560, 16224), (9984, 13910), (10140, 13696), (10272, 13520), (10816, 12840), (11128, 12480)]