80018640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:218

約数の個数: 240

約数和(自身を含む): 295731072

約数和(自身を除く): 215712432

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 36, 39, 40, 45, 48, 52, 60, 65, 72, 78, 80, 83, 90, 103, 104, 117, 120, 130, 144, 156, 166, 180, 195, 206, 208, 234, 240, 249, 260, 309, 312, 332, 360, 390, 412, 415, 468, 498, 515, 520, 585, 618, 624, 664, 720, 747, 780, 824, 830, 927, 936, 996, 1030, 1040, 1079, 1170, 1236, 1245, 1328, 1339, 1494, 1545, 1560, 1648, 1660, 1854, 1872, 1992, 2060, 2158, 2340, 2472, 2490, 2678, 2988, 3090, 3120, 3237, 3320, 3708, 3735, 3984, 4017, 4120, 4316, 4635, 4680, 4944, 4980, 5356, 5395, 5976, 6180, 6474, 6640, 6695, 7416, 7470, 8034, 8240, 8549, 8632, 9270, 9360, 9711, 9960, 10712, 10790, 11952, 12051, 12360, 12948, 13390, 14832, 14940, 16068, 16185, 17098, 17264, 18540, 19422, 19920, 20085, 21424, 21580, 24102, 24720, 25647, 25896, 26780, 29880, 32136, 32370, 34196, 37080, 38844, 40170, 42745, 43160, 48204, 48555, 51294, 51792, 53560, 59760, 60255, 64272, 64740, 68392, 74160, 76941, 77688, 80340, 85490, 86320, 96408, 97110, 102588, 107120, 111137, 120510, 128235, 129480, 136784, 153882, 155376, 160680, 170980, 192816, 194220, 205176, 222274, 241020, 256470, 258960, 307764, 321360, 333411, 341960, 384705, 388440, 410352, 444548, 482040, 512940, 555685, 615528, 666822, 683920, 769410, 776880, 889096, 964080, 1000233, 1025880, 1111370, 1231056, 1333644, 1538820, 1667055, 1778192, 2000466, 2051760, 2222740, 2667288, 3077640, 3334110, 4000932, 4445480, 5001165, 5334576, 6155280, 6668220, 8001864, 8890960, 10002330, 13336440, 16003728, 20004660, 26672880, 40009320, 80018640]

約数ペア:

[(1, 80018640), (2, 40009320), (3, 26672880), (4, 20004660), (5, 16003728), (6, 13336440), (8, 10002330), (9, 8890960), (10, 8001864), (12, 6668220), (13, 6155280), (15, 5334576), (16, 5001165), (18, 4445480), (20, 4000932), (24, 3334110), (26, 3077640), (30, 2667288), (36, 2222740), (39, 2051760), (40, 2000466), (45, 1778192), (48, 1667055), (52, 1538820), (60, 1333644), (65, 1231056), (72, 1111370), (78, 1025880), (80, 1000233), (83, 964080), (90, 889096), (103, 776880), (104, 769410), (117, 683920), (120, 666822), (130, 615528), (144, 555685), (156, 512940), (166, 482040), (180, 444548), (195, 410352), (206, 388440), (208, 384705), (234, 341960), (240, 333411), (249, 321360), (260, 307764), (309, 258960), (312, 256470), (332, 241020), (360, 222274), (390, 205176), (412, 194220), (415, 192816), (468, 170980), (498, 160680), (515, 155376), (520, 153882), (585, 136784), (618, 129480), (624, 128235), (664, 120510), (720, 111137), (747, 107120), (780, 102588), (824, 97110), (830, 96408), (927, 86320), (936, 85490), (996, 80340), (1030, 77688), (1040, 76941), (1079, 74160), (1170, 68392), (1236, 64740), (1245, 64272), (1328, 60255), (1339, 59760), (1494, 53560), (1545, 51792), (1560, 51294), (1648, 48555), (1660, 48204), (1854, 43160), (1872, 42745), (1992, 40170), (2060, 38844), (2158, 37080), (2340, 34196), (2472, 32370), (2490, 32136), (2678, 29880), (2988, 26780), (3090, 25896), (3120, 25647), (3237, 24720), (3320, 24102), (3708, 21580), (3735, 21424), (3984, 20085), (4017, 19920), (4120, 19422), (4316, 18540), (4635, 17264), (4680, 17098), (4944, 16185), (4980, 16068), (5356, 14940), (5395, 14832), (5976, 13390), (6180, 12948), (6474, 12360), (6640, 12051), (6695, 11952), (7416, 10790), (7470, 10712), (8034, 9960), (8240, 9711), (8549, 9360), (8632, 9270)]