280729680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{1381}}^1$

素因数の和:1426

約数の個数: 240

約数和(自身を含む): 1094013312

約数和(自身を除く): 813283632

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 48, 55, 56, 60, 66, 70, 77, 80, 84, 88, 105, 110, 112, 120, 121, 132, 140, 154, 165, 168, 176, 210, 220, 231, 240, 242, 264, 280, 308, 330, 336, 363, 385, 420, 440, 462, 484, 528, 560, 605, 616, 660, 726, 770, 840, 847, 880, 924, 968, 1155, 1210, 1232, 1320, 1381, 1452, 1540, 1680, 1694, 1815, 1848, 1936, 2310, 2420, 2541, 2640, 2762, 2904, 3080, 3388, 3630, 3696, 4143, 4235, 4620, 4840, 5082, 5524, 5808, 6160, 6776, 6905, 7260, 8286, 8470, 9240, 9667, 9680, 10164, 11048, 12705, 13552, 13810, 14520, 15191, 16572, 16940, 18480, 19334, 20328, 20715, 22096, 25410, 27620, 29001, 29040, 30382, 33144, 33880, 38668, 40656, 41430, 45573, 48335, 50820, 55240, 58002, 60764, 66288, 67760, 75955, 77336, 82860, 91146, 96670, 101640, 106337, 110480, 116004, 121528, 145005, 151910, 154672, 165720, 167101, 182292, 193340, 203280, 212674, 227865, 232008, 243056, 290010, 303820, 319011, 331440, 334202, 364584, 386680, 425348, 455730, 464016, 501303, 531685, 580020, 607640, 638022, 668404, 729168, 773360, 835505, 850696, 911460, 1002606, 1063370, 1160040, 1169707, 1215280, 1276044, 1336808, 1595055, 1671010, 1701392, 1822920, 2005212, 2126740, 2320080, 2339414, 2506515, 2552088, 2673616, 3190110, 3342020, 3509121, 3645840, 4010424, 4253480, 4678828, 5013030, 5104176, 5848535, 6380220, 6684040, 7018242, 8020848, 8506960, 9357656, 10026060, 11697070, 12760440, 13368080, 14036484, 17545605, 18715312, 20052120, 23394140, 25520880, 28072968, 35091210, 40104240, 46788280, 56145936, 70182420, 93576560, 140364840, 280729680]

約数ペア:

[(1, 280729680), (2, 140364840), (3, 93576560), (4, 70182420), (5, 56145936), (6, 46788280), (7, 40104240), (8, 35091210), (10, 28072968), (11, 25520880), (12, 23394140), (14, 20052120), (15, 18715312), (16, 17545605), (20, 14036484), (21, 13368080), (22, 12760440), (24, 11697070), (28, 10026060), (30, 9357656), (33, 8506960), (35, 8020848), (40, 7018242), (42, 6684040), (44, 6380220), (48, 5848535), (55, 5104176), (56, 5013030), (60, 4678828), (66, 4253480), (70, 4010424), (77, 3645840), (80, 3509121), (84, 3342020), (88, 3190110), (105, 2673616), (110, 2552088), (112, 2506515), (120, 2339414), (121, 2320080), (132, 2126740), (140, 2005212), (154, 1822920), (165, 1701392), (168, 1671010), (176, 1595055), (210, 1336808), (220, 1276044), (231, 1215280), (240, 1169707), (242, 1160040), (264, 1063370), (280, 1002606), (308, 911460), (330, 850696), (336, 835505), (363, 773360), (385, 729168), (420, 668404), (440, 638022), (462, 607640), (484, 580020), (528, 531685), (560, 501303), (605, 464016), (616, 455730), (660, 425348), (726, 386680), (770, 364584), (840, 334202), (847, 331440), (880, 319011), (924, 303820), (968, 290010), (1155, 243056), (1210, 232008), (1232, 227865), (1320, 212674), (1381, 203280), (1452, 193340), (1540, 182292), (1680, 167101), (1694, 165720), (1815, 154672), (1848, 151910), (1936, 145005), (2310, 121528), (2420, 116004), (2541, 110480), (2640, 106337), (2762, 101640), (2904, 96670), (3080, 91146), (3388, 82860), (3630, 77336), (3696, 75955), (4143, 67760), (4235, 66288), (4620, 60764), (4840, 58002), (5082, 55240), (5524, 50820), (5808, 48335), (6160, 45573), (6776, 41430), (6905, 40656), (7260, 38668), (8286, 33880), (8470, 33144), (9240, 30382), (9667, 29040), (9680, 29001), (10164, 27620), (11048, 25410), (12705, 22096), (13552, 20715), (13810, 20328), (14520, 19334), (15191, 18480), (16572, 16940)]