278936571520

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1\times {\mathrm{41719}}^1$

素因数の和:42106

約数の個数: 128

約数和(自身を含む): 690402585600

約数和(自身を除く): 411466014080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 337, 496, 620, 640, 674, 992, 1240, 1348, 1685, 1984, 2480, 2696, 3370, 3968, 4960, 5392, 6740, 9920, 10447, 10784, 13480, 19840, 20894, 21568, 26960, 41719, 41788, 43136, 52235, 53920, 83438, 83576, 104470, 107840, 166876, 167152, 208595, 208940, 215680, 333752, 334304, 417190, 417880, 667504, 668608, 834380, 835760, 1293289, 1335008, 1337216, 1668760, 1671520, 2586578, 2670016, 3337520, 3343040, 5173156, 5340032, 6466445, 6675040, 6686080, 10346312, 12932890, 13350080, 14059303, 20692624, 25865780, 26700160, 28118606, 41385248, 51731560, 56237212, 70296515, 82770496, 103463120, 112474424, 140593030, 165540992, 206926240, 224948848, 281186060, 413852480, 435838393, 449897696, 562372120, 827704960, 871676786, 899795392, 1124744240, 1743353572, 1799590784, 2179191965, 2249488480, 3486707144, 4358383930, 4498976960, 6973414288, 8716767860, 8997953920, 13946828576, 17433535720, 27893657152, 34867071440, 55787314304, 69734142880, 139468285760, 278936571520]

約数ペア:

[(1, 278936571520), (2, 139468285760), (4, 69734142880), (5, 55787314304), (8, 34867071440), (10, 27893657152), (16, 17433535720), (20, 13946828576), (31, 8997953920), (32, 8716767860), (40, 6973414288), (62, 4498976960), (64, 4358383930), (80, 3486707144), (124, 2249488480), (128, 2179191965), (155, 1799590784), (160, 1743353572), (248, 1124744240), (310, 899795392), (320, 871676786), (337, 827704960), (496, 562372120), (620, 449897696), (640, 435838393), (674, 413852480), (992, 281186060), (1240, 224948848), (1348, 206926240), (1685, 165540992), (1984, 140593030), (2480, 112474424), (2696, 103463120), (3370, 82770496), (3968, 70296515), (4960, 56237212), (5392, 51731560), (6740, 41385248), (9920, 28118606), (10447, 26700160), (10784, 25865780), (13480, 20692624), (19840, 14059303), (20894, 13350080), (21568, 12932890), (26960, 10346312), (41719, 6686080), (41788, 6675040), (43136, 6466445), (52235, 5340032), (53920, 5173156), (83438, 3343040), (83576, 3337520), (104470, 2670016), (107840, 2586578), (166876, 1671520), (167152, 1668760), (208595, 1337216), (208940, 1335008), (215680, 1293289), (333752, 835760), (334304, 834380), (417190, 668608), (417880, 667504)]