80520840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{223}}^1$

素因数の和:316

約数の個数: 192

約数和(自身を含む): 283046400

約数和(自身を除く): 202525560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 30, 34, 36, 40, 45, 51, 59, 60, 68, 72, 85, 90, 102, 118, 120, 136, 153, 170, 177, 180, 204, 223, 236, 255, 295, 306, 340, 354, 360, 408, 446, 472, 510, 531, 590, 612, 669, 680, 708, 765, 885, 892, 1003, 1020, 1062, 1115, 1180, 1224, 1338, 1416, 1530, 1770, 1784, 2006, 2007, 2040, 2124, 2230, 2360, 2655, 2676, 3009, 3060, 3345, 3540, 3791, 4012, 4014, 4248, 4460, 5015, 5310, 5352, 6018, 6120, 6690, 7080, 7582, 8024, 8028, 8920, 9027, 10030, 10035, 10620, 11373, 12036, 13157, 13380, 15045, 15164, 16056, 18054, 18955, 20060, 20070, 21240, 22746, 24072, 26314, 26760, 30090, 30328, 34119, 36108, 37910, 39471, 40120, 40140, 45135, 45492, 52628, 56865, 60180, 65785, 68238, 72216, 75820, 78942, 80280, 90270, 90984, 105256, 113730, 118413, 120360, 131570, 136476, 151640, 157884, 170595, 180540, 197355, 223669, 227460, 236826, 263140, 272952, 315768, 341190, 361080, 394710, 447338, 454920, 473652, 526280, 592065, 671007, 682380, 789420, 894676, 947304, 1118345, 1184130, 1342014, 1364760, 1578840, 1789352, 2013021, 2236690, 2368260, 2684028, 3355035, 4026042, 4473380, 4736520, 5368056, 6710070, 8052084, 8946760, 10065105, 13420140, 16104168, 20130210, 26840280, 40260420, 80520840]

約数ペア:

[(1, 80520840), (2, 40260420), (3, 26840280), (4, 20130210), (5, 16104168), (6, 13420140), (8, 10065105), (9, 8946760), (10, 8052084), (12, 6710070), (15, 5368056), (17, 4736520), (18, 4473380), (20, 4026042), (24, 3355035), (30, 2684028), (34, 2368260), (36, 2236690), (40, 2013021), (45, 1789352), (51, 1578840), (59, 1364760), (60, 1342014), (68, 1184130), (72, 1118345), (85, 947304), (90, 894676), (102, 789420), (118, 682380), (120, 671007), (136, 592065), (153, 526280), (170, 473652), (177, 454920), (180, 447338), (204, 394710), (223, 361080), (236, 341190), (255, 315768), (295, 272952), (306, 263140), (340, 236826), (354, 227460), (360, 223669), (408, 197355), (446, 180540), (472, 170595), (510, 157884), (531, 151640), (590, 136476), (612, 131570), (669, 120360), (680, 118413), (708, 113730), (765, 105256), (885, 90984), (892, 90270), (1003, 80280), (1020, 78942), (1062, 75820), (1115, 72216), (1180, 68238), (1224, 65785), (1338, 60180), (1416, 56865), (1530, 52628), (1770, 45492), (1784, 45135), (2006, 40140), (2007, 40120), (2040, 39471), (2124, 37910), (2230, 36108), (2360, 34119), (2655, 30328), (2676, 30090), (3009, 26760), (3060, 26314), (3345, 24072), (3540, 22746), (3791, 21240), (4012, 20070), (4014, 20060), (4248, 18955), (4460, 18054), (5015, 16056), (5310, 15164), (5352, 15045), (6018, 13380), (6120, 13157), (6690, 12036), (7080, 11373), (7582, 10620), (8024, 10035), (8028, 10030), (8920, 9027)]