647250515280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{28998679}}^1$

素因数の和:28998729

約数の個数: 120

約数和(自身を含む): 2243801863680

約数和(自身を除く): 1596551348400

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 11160, 22320, 28998679, 57997358, 86996037, 115994716, 144993395, 173992074, 231989432, 260988111, 289986790, 347984148, 434980185, 463978864, 521976222, 579973580, 695968296, 869960370, 898959049, 1043952444, 1159947160, 1304940555, 1391936592, 1739920740, 1797918098, 2087904888, 2319894320, 2609881110, 2696877147, 3479841480, 3595836196, 4175809776, 4494795245, 5219762220, 5393754294, 6959682960, 7191672392, 8090631441, 8989590490, 10439524440, 10787508588, 13484385735, 14383344784, 16181262882, 17979180980, 20879048880, 21575017176, 26968771470, 32362525764, 35958361960, 40453157205, 43150034352, 53937542940, 64725051528, 71916723920, 80906314410, 107875085880, 129450103056, 161812628820, 215750171760, 323625257640, 647250515280]

約数ペア:

[(1, 647250515280), (2, 323625257640), (3, 215750171760), (4, 161812628820), (5, 129450103056), (6, 107875085880), (8, 80906314410), (9, 71916723920), (10, 64725051528), (12, 53937542940), (15, 43150034352), (16, 40453157205), (18, 35958361960), (20, 32362525764), (24, 26968771470), (30, 21575017176), (31, 20879048880), (36, 17979180980), (40, 16181262882), (45, 14383344784), (48, 13484385735), (60, 10787508588), (62, 10439524440), (72, 8989590490), (80, 8090631441), (90, 7191672392), (93, 6959682960), (120, 5393754294), (124, 5219762220), (144, 4494795245), (155, 4175809776), (180, 3595836196), (186, 3479841480), (240, 2696877147), (248, 2609881110), (279, 2319894320), (310, 2087904888), (360, 1797918098), (372, 1739920740), (465, 1391936592), (496, 1304940555), (558, 1159947160), (620, 1043952444), (720, 898959049), (744, 869960370), (930, 695968296), (1116, 579973580), (1240, 521976222), (1395, 463978864), (1488, 434980185), (1860, 347984148), (2232, 289986790), (2480, 260988111), (2790, 231989432), (3720, 173992074), (4464, 144993395), (5580, 115994716), (7440, 86996037), (11160, 57997358), (22320, 28998679)]