280057680

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{307}}^1$

素因数の和:514

約数の個数: 240

約数和(自身を含む): 1084347264

約数和(自身を除く): 804289584

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 181, 210, 240, 252, 280, 307, 315, 336, 360, 362, 420, 504, 543, 560, 614, 630, 720, 724, 840, 905, 921, 1008, 1086, 1228, 1260, 1267, 1448, 1535, 1629, 1680, 1810, 1842, 2149, 2172, 2456, 2520, 2534, 2715, 2763, 2896, 3070, 3258, 3620, 3684, 3801, 4298, 4344, 4605, 4912, 5040, 5068, 5430, 5526, 6140, 6335, 6447, 6516, 7240, 7368, 7602, 8145, 8596, 8688, 9210, 10136, 10745, 10860, 11052, 11403, 12280, 12670, 12894, 13032, 13815, 14480, 14736, 15204, 16290, 17192, 18420, 19005, 19341, 20272, 21490, 21720, 22104, 22806, 24560, 25340, 25788, 26064, 27630, 30408, 32235, 32580, 34384, 36840, 38010, 38682, 42980, 43440, 44208, 45612, 50680, 51576, 55260, 55567, 57015, 60816, 64470, 65160, 73680, 76020, 77364, 85960, 91224, 96705, 101360, 103152, 110520, 111134, 114030, 128940, 130320, 152040, 154728, 166701, 171920, 182448, 193410, 221040, 222268, 228060, 257880, 277835, 304080, 309456, 333402, 386820, 388969, 444536, 456120, 500103, 515760, 555670, 666804, 773640, 777938, 833505, 889072, 912240, 1000206, 1111340, 1166907, 1333608, 1547280, 1555876, 1667010, 1944845, 2000412, 2222680, 2333814, 2500515, 2667216, 3111752, 3334020, 3500721, 3889690, 4000824, 4445360, 4667628, 5001030, 5834535, 6223504, 6668040, 7001442, 7779380, 8001648, 9335256, 10002060, 11669070, 13336080, 14002884, 15558760, 17503605, 18670512, 20004120, 23338140, 28005768, 31117520, 35007210, 40008240, 46676280, 56011536, 70014420, 93352560, 140028840, 280057680]

約数ペア:

[(1, 280057680), (2, 140028840), (3, 93352560), (4, 70014420), (5, 56011536), (6, 46676280), (7, 40008240), (8, 35007210), (9, 31117520), (10, 28005768), (12, 23338140), (14, 20004120), (15, 18670512), (16, 17503605), (18, 15558760), (20, 14002884), (21, 13336080), (24, 11669070), (28, 10002060), (30, 9335256), (35, 8001648), (36, 7779380), (40, 7001442), (42, 6668040), (45, 6223504), (48, 5834535), (56, 5001030), (60, 4667628), (63, 4445360), (70, 4000824), (72, 3889690), (80, 3500721), (84, 3334020), (90, 3111752), (105, 2667216), (112, 2500515), (120, 2333814), (126, 2222680), (140, 2000412), (144, 1944845), (168, 1667010), (180, 1555876), (181, 1547280), (210, 1333608), (240, 1166907), (252, 1111340), (280, 1000206), (307, 912240), (315, 889072), (336, 833505), (360, 777938), (362, 773640), (420, 666804), (504, 555670), (543, 515760), (560, 500103), (614, 456120), (630, 444536), (720, 388969), (724, 386820), (840, 333402), (905, 309456), (921, 304080), (1008, 277835), (1086, 257880), (1228, 228060), (1260, 222268), (1267, 221040), (1448, 193410), (1535, 182448), (1629, 171920), (1680, 166701), (1810, 154728), (1842, 152040), (2149, 130320), (2172, 128940), (2456, 114030), (2520, 111134), (2534, 110520), (2715, 103152), (2763, 101360), (2896, 96705), (3070, 91224), (3258, 85960), (3620, 77364), (3684, 76020), (3801, 73680), (4298, 65160), (4344, 64470), (4605, 60816), (4912, 57015), (5040, 55567), (5068, 55260), (5430, 51576), (5526, 50680), (6140, 45612), (6335, 44208), (6447, 43440), (6516, 42980), (7240, 38682), (7368, 38010), (7602, 36840), (8145, 34384), (8596, 32580), (8688, 32235), (9210, 30408), (10136, 27630), (10745, 26064), (10860, 25788), (11052, 25340), (11403, 24560), (12280, 22806), (12670, 22104), (12894, 21720), (13032, 21490), (13815, 20272), (14480, 19341), (14736, 19005), (15204, 18420), (16290, 17192)]