1680245280

素因数分解:

$2^5\times 3^2\times 5^1\times 7^2\times {\mathrm{23813}}^1$

素因数の和:23848

約数の個数: 216

約数和(自身を含む): 6670253772

約数和(自身を除く): 4990008492

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 360, 392, 420, 441, 480, 490, 504, 560, 588, 630, 672, 720, 735, 784, 840, 882, 980, 1008, 1120, 1176, 1260, 1440, 1470, 1568, 1680, 1764, 1960, 2016, 2205, 2352, 2520, 2940, 3360, 3528, 3920, 4410, 4704, 5040, 5880, 7056, 7840, 8820, 10080, 11760, 14112, 17640, 23520, 23813, 35280, 47626, 70560, 71439, 95252, 119065, 142878, 166691, 190504, 214317, 238130, 285756, 333382, 357195, 381008, 428634, 476260, 500073, 571512, 666764, 714390, 762016, 833455, 857268, 952520, 1000146, 1071585, 1143024, 1166837, 1333528, 1428780, 1500219, 1666910, 1714536, 1905040, 2000292, 2143170, 2286048, 2333674, 2500365, 2667056, 2857560, 3000438, 3333820, 3429072, 3500511, 3810080, 4000584, 4286340, 4667348, 5000730, 5334112, 5715120, 5834185, 6000876, 6667640, 6858144, 7001022, 7501095, 8001168, 8572680, 9334696, 10001460, 10501533, 11430240, 11668370, 12001752, 13335280, 14002044, 15002190, 16002336, 17145360, 17502555, 18669392, 20002920, 21003066, 23336740, 24003504, 26670560, 28004088, 30004380, 34290720, 35005110, 37338784, 40005840, 42006132, 46673480, 48007008, 52507665, 56008176, 60008760, 70010220, 80011680, 84012264, 93346960, 105015330, 112016352, 120017520, 140020440, 168024528, 186693920, 210030660, 240035040, 280040880, 336049056, 420061320, 560081760, 840122640, 1680245280]

約数ペア:

[(1, 1680245280), (2, 840122640), (3, 560081760), (4, 420061320), (5, 336049056), (6, 280040880), (7, 240035040), (8, 210030660), (9, 186693920), (10, 168024528), (12, 140020440), (14, 120017520), (15, 112016352), (16, 105015330), (18, 93346960), (20, 84012264), (21, 80011680), (24, 70010220), (28, 60008760), (30, 56008176), (32, 52507665), (35, 48007008), (36, 46673480), (40, 42006132), (42, 40005840), (45, 37338784), (48, 35005110), (49, 34290720), (56, 30004380), (60, 28004088), (63, 26670560), (70, 24003504), (72, 23336740), (80, 21003066), (84, 20002920), (90, 18669392), (96, 17502555), (98, 17145360), (105, 16002336), (112, 15002190), (120, 14002044), (126, 13335280), (140, 12001752), (144, 11668370), (147, 11430240), (160, 10501533), (168, 10001460), (180, 9334696), (196, 8572680), (210, 8001168), (224, 7501095), (240, 7001022), (245, 6858144), (252, 6667640), (280, 6000876), (288, 5834185), (294, 5715120), (315, 5334112), (336, 5000730), (360, 4667348), (392, 4286340), (420, 4000584), (441, 3810080), (480, 3500511), (490, 3429072), (504, 3333820), (560, 3000438), (588, 2857560), (630, 2667056), (672, 2500365), (720, 2333674), (735, 2286048), (784, 2143170), (840, 2000292), (882, 1905040), (980, 1714536), (1008, 1666910), (1120, 1500219), (1176, 1428780), (1260, 1333528), (1440, 1166837), (1470, 1143024), (1568, 1071585), (1680, 1000146), (1764, 952520), (1960, 857268), (2016, 833455), (2205, 762016), (2352, 714390), (2520, 666764), (2940, 571512), (3360, 500073), (3528, 476260), (3920, 428634), (4410, 381008), (4704, 357195), (5040, 333382), (5880, 285756), (7056, 238130), (7840, 214317), (8820, 190504), (10080, 166691), (11760, 142878), (14112, 119065), (17640, 95252), (23520, 71439), (23813, 70560), (35280, 47626)]