280079280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1301}}^1$

素因数の和:1356

約数の個数: 240

約数和(自身を含む): 1057807296

約数和(自身を除く): 777728016

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 23, 24, 26, 30, 36, 39, 40, 45, 46, 48, 52, 60, 65, 69, 72, 78, 80, 90, 92, 104, 115, 117, 120, 130, 138, 144, 156, 180, 184, 195, 207, 208, 230, 234, 240, 260, 276, 299, 312, 345, 360, 368, 390, 414, 460, 468, 520, 552, 585, 598, 624, 690, 720, 780, 828, 897, 920, 936, 1035, 1040, 1104, 1170, 1196, 1301, 1380, 1495, 1560, 1656, 1794, 1840, 1872, 2070, 2340, 2392, 2602, 2691, 2760, 2990, 3120, 3312, 3588, 3903, 4140, 4485, 4680, 4784, 5204, 5382, 5520, 5980, 6505, 7176, 7806, 8280, 8970, 9360, 10408, 10764, 11709, 11960, 13010, 13455, 14352, 15612, 16560, 16913, 17940, 19515, 20816, 21528, 23418, 23920, 26020, 26910, 29923, 31224, 33826, 35880, 39030, 43056, 46836, 50739, 52040, 53820, 58545, 59846, 62448, 67652, 71760, 78060, 84565, 89769, 93672, 101478, 104080, 107640, 117090, 119692, 135304, 149615, 152217, 156120, 169130, 179538, 187344, 202956, 215280, 234180, 239384, 253695, 269307, 270608, 299230, 304434, 312240, 338260, 359076, 388999, 405912, 448845, 468360, 478768, 507390, 538614, 598460, 608868, 676520, 718152, 761085, 777998, 811824, 897690, 936720, 1014780, 1077228, 1166997, 1196920, 1217736, 1346535, 1353040, 1436304, 1522170, 1555996, 1795380, 1944995, 2029560, 2154456, 2333994, 2393840, 2435472, 2693070, 3044340, 3111992, 3500991, 3590760, 3889990, 4059120, 4308912, 4667988, 5386140, 5834985, 6088680, 6223984, 7001982, 7181520, 7779980, 9335976, 10772280, 11669970, 12177360, 14003964, 15559960, 17504955, 18671952, 21544560, 23339940, 28007928, 31119920, 35009910, 46679880, 56015856, 70019820, 93359760, 140039640, 280079280]

約数ペア:

[(1, 280079280), (2, 140039640), (3, 93359760), (4, 70019820), (5, 56015856), (6, 46679880), (8, 35009910), (9, 31119920), (10, 28007928), (12, 23339940), (13, 21544560), (15, 18671952), (16, 17504955), (18, 15559960), (20, 14003964), (23, 12177360), (24, 11669970), (26, 10772280), (30, 9335976), (36, 7779980), (39, 7181520), (40, 7001982), (45, 6223984), (46, 6088680), (48, 5834985), (52, 5386140), (60, 4667988), (65, 4308912), (69, 4059120), (72, 3889990), (78, 3590760), (80, 3500991), (90, 3111992), (92, 3044340), (104, 2693070), (115, 2435472), (117, 2393840), (120, 2333994), (130, 2154456), (138, 2029560), (144, 1944995), (156, 1795380), (180, 1555996), (184, 1522170), (195, 1436304), (207, 1353040), (208, 1346535), (230, 1217736), (234, 1196920), (240, 1166997), (260, 1077228), (276, 1014780), (299, 936720), (312, 897690), (345, 811824), (360, 777998), (368, 761085), (390, 718152), (414, 676520), (460, 608868), (468, 598460), (520, 538614), (552, 507390), (585, 478768), (598, 468360), (624, 448845), (690, 405912), (720, 388999), (780, 359076), (828, 338260), (897, 312240), (920, 304434), (936, 299230), (1035, 270608), (1040, 269307), (1104, 253695), (1170, 239384), (1196, 234180), (1301, 215280), (1380, 202956), (1495, 187344), (1560, 179538), (1656, 169130), (1794, 156120), (1840, 152217), (1872, 149615), (2070, 135304), (2340, 119692), (2392, 117090), (2602, 107640), (2691, 104080), (2760, 101478), (2990, 93672), (3120, 89769), (3312, 84565), (3588, 78060), (3903, 71760), (4140, 67652), (4485, 62448), (4680, 59846), (4784, 58545), (5204, 53820), (5382, 52040), (5520, 50739), (5980, 46836), (6505, 43056), (7176, 39030), (7806, 35880), (8280, 33826), (8970, 31224), (9360, 29923), (10408, 26910), (10764, 26020), (11709, 23920), (11960, 23418), (13010, 21528), (13455, 20816), (14352, 19515), (15612, 17940), (16560, 16913)]