1287920880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{77773}}^1$

素因数の和:77815

約数の個数: 120

約数和(自身を含む): 4513380768

約数和(自身を除く): 3225459888

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1104, 1380, 1656, 1840, 2070, 2760, 3312, 4140, 5520, 8280, 16560, 77773, 155546, 233319, 311092, 388865, 466638, 622184, 699957, 777730, 933276, 1166595, 1244368, 1399914, 1555460, 1788779, 1866552, 2333190, 2799828, 3110920, 3499785, 3577558, 3733104, 4666380, 5366337, 5599656, 6221840, 6999570, 7155116, 8943895, 9332760, 10732674, 11199312, 13999140, 14310232, 16099011, 17887790, 18665520, 21465348, 26831685, 27998280, 28620464, 32198022, 35775580, 42930696, 53663370, 55996560, 64396044, 71551160, 80495055, 85861392, 107326740, 128792088, 143102320, 160990110, 214653480, 257584176, 321980220, 429306960, 643960440, 1287920880]

約数ペア:

[(1, 1287920880), (2, 643960440), (3, 429306960), (4, 321980220), (5, 257584176), (6, 214653480), (8, 160990110), (9, 143102320), (10, 128792088), (12, 107326740), (15, 85861392), (16, 80495055), (18, 71551160), (20, 64396044), (23, 55996560), (24, 53663370), (30, 42930696), (36, 35775580), (40, 32198022), (45, 28620464), (46, 27998280), (48, 26831685), (60, 21465348), (69, 18665520), (72, 17887790), (80, 16099011), (90, 14310232), (92, 13999140), (115, 11199312), (120, 10732674), (138, 9332760), (144, 8943895), (180, 7155116), (184, 6999570), (207, 6221840), (230, 5599656), (240, 5366337), (276, 4666380), (345, 3733104), (360, 3577558), (368, 3499785), (414, 3110920), (460, 2799828), (552, 2333190), (690, 1866552), (720, 1788779), (828, 1555460), (920, 1399914), (1035, 1244368), (1104, 1166595), (1380, 933276), (1656, 777730), (1840, 699957), (2070, 622184), (2760, 466638), (3312, 388865), (4140, 311092), (5520, 233319), (8280, 155546), (16560, 77773)]