661327920

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{7591}}^1$

素因数の和:7632

約数の個数: 180

約数和(自身を含む): 2441541648

約数和(自身を除く): 1780213728

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 121, 132, 144, 165, 176, 180, 198, 220, 240, 242, 264, 330, 360, 363, 396, 440, 484, 495, 528, 605, 660, 720, 726, 792, 880, 968, 990, 1089, 1210, 1320, 1452, 1584, 1815, 1936, 1980, 2178, 2420, 2640, 2904, 3630, 3960, 4356, 4840, 5445, 5808, 7260, 7591, 7920, 8712, 9680, 10890, 14520, 15182, 17424, 21780, 22773, 29040, 30364, 37955, 43560, 45546, 60728, 68319, 75910, 83501, 87120, 91092, 113865, 121456, 136638, 151820, 167002, 182184, 227730, 250503, 273276, 303640, 334004, 341595, 364368, 417505, 455460, 501006, 546552, 607280, 668008, 683190, 751509, 835010, 910920, 918511, 1002012, 1093104, 1252515, 1336016, 1366380, 1503018, 1670020, 1821840, 1837022, 2004024, 2505030, 2732760, 2755533, 3006036, 3340040, 3674044, 3757545, 4008048, 4592555, 5010060, 5465520, 5511066, 6012072, 6680080, 7348088, 7515090, 8266599, 9185110, 10020120, 11022132, 12024144, 13777665, 14696176, 15030180, 16533198, 18370220, 20040240, 22044264, 27555330, 30060360, 33066396, 36740440, 41332995, 44088528, 55110660, 60120720, 66132792, 73480880, 82665990, 110221320, 132265584, 165331980, 220442640, 330663960, 661327920]

約数ペア:

[(1, 661327920), (2, 330663960), (3, 220442640), (4, 165331980), (5, 132265584), (6, 110221320), (8, 82665990), (9, 73480880), (10, 66132792), (11, 60120720), (12, 55110660), (15, 44088528), (16, 41332995), (18, 36740440), (20, 33066396), (22, 30060360), (24, 27555330), (30, 22044264), (33, 20040240), (36, 18370220), (40, 16533198), (44, 15030180), (45, 14696176), (48, 13777665), (55, 12024144), (60, 11022132), (66, 10020120), (72, 9185110), (80, 8266599), (88, 7515090), (90, 7348088), (99, 6680080), (110, 6012072), (120, 5511066), (121, 5465520), (132, 5010060), (144, 4592555), (165, 4008048), (176, 3757545), (180, 3674044), (198, 3340040), (220, 3006036), (240, 2755533), (242, 2732760), (264, 2505030), (330, 2004024), (360, 1837022), (363, 1821840), (396, 1670020), (440, 1503018), (484, 1366380), (495, 1336016), (528, 1252515), (605, 1093104), (660, 1002012), (720, 918511), (726, 910920), (792, 835010), (880, 751509), (968, 683190), (990, 668008), (1089, 607280), (1210, 546552), (1320, 501006), (1452, 455460), (1584, 417505), (1815, 364368), (1936, 341595), (1980, 334004), (2178, 303640), (2420, 273276), (2640, 250503), (2904, 227730), (3630, 182184), (3960, 167002), (4356, 151820), (4840, 136638), (5445, 121456), (5808, 113865), (7260, 91092), (7591, 87120), (7920, 83501), (8712, 75910), (9680, 68319), (10890, 60728), (14520, 45546), (15182, 43560), (17424, 37955), (21780, 30364), (22773, 29040)]