20178572280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{1069}}^1$

素因数の和:1606

約数の個数: 256

約数和(自身を含む): 67671936000

約数和(自身を除く): 47493363720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 19, 20, 24, 30, 34, 38, 40, 51, 57, 60, 68, 76, 85, 95, 102, 114, 120, 136, 152, 170, 190, 204, 228, 255, 285, 323, 340, 380, 408, 456, 487, 510, 570, 646, 680, 760, 969, 974, 1020, 1069, 1140, 1292, 1461, 1615, 1938, 1948, 2040, 2138, 2280, 2435, 2584, 2922, 3207, 3230, 3876, 3896, 4276, 4845, 4870, 5345, 5844, 6414, 6460, 7305, 7752, 8279, 8552, 9253, 9690, 9740, 10690, 11688, 12828, 12920, 14610, 16035, 16558, 18173, 18506, 19380, 19480, 20311, 21380, 24837, 25656, 27759, 29220, 32070, 33116, 36346, 37012, 38760, 40622, 41395, 42760, 46265, 49674, 54519, 55518, 58440, 60933, 64140, 66232, 72692, 74024, 81244, 82790, 90865, 92530, 99348, 101555, 109038, 111036, 121866, 124185, 128280, 138795, 145384, 157301, 162488, 165580, 181730, 185060, 198696, 203110, 218076, 222072, 243732, 248370, 272595, 277590, 304665, 314602, 331160, 345287, 363460, 370120, 406220, 436152, 471903, 487464, 496740, 520603, 545190, 555180, 609330, 629204, 690574, 726920, 786505, 812440, 943806, 993480, 1035861, 1041206, 1090380, 1110360, 1218660, 1258408, 1381148, 1561809, 1573010, 1726435, 1887612, 2071722, 2082412, 2180760, 2359515, 2437320, 2603015, 2762296, 3123618, 3146020, 3452870, 3775224, 4143444, 4164824, 4719030, 5179305, 5206030, 6247236, 6292040, 6905740, 7809045, 8286888, 8850251, 9438060, 9891457, 10358610, 10412060, 12494472, 13811480, 15618090, 17700502, 18876120, 19782914, 20717220, 20824120, 26550753, 29674371, 31236180, 35401004, 39565828, 41434440, 44251255, 49457285, 53101506, 59348742, 62472360, 70802008, 79131656, 88502510, 98914570, 106203012, 118697484, 132753765, 148371855, 168154769, 177005020, 197829140, 212406024, 237394968, 265507530, 296743710, 336309538, 354010040, 395658280, 504464307, 531015060, 593487420, 672619076, 840773845, 1008928614, 1062030120, 1186974840, 1345238152, 1681547690, 2017857228, 2522321535, 3363095380, 4035714456, 5044643070, 6726190760, 10089286140, 20178572280]

約数ペア:

[(1, 20178572280), (2, 10089286140), (3, 6726190760), (4, 5044643070), (5, 4035714456), (6, 3363095380), (8, 2522321535), (10, 2017857228), (12, 1681547690), (15, 1345238152), (17, 1186974840), (19, 1062030120), (20, 1008928614), (24, 840773845), (30, 672619076), (34, 593487420), (38, 531015060), (40, 504464307), (51, 395658280), (57, 354010040), (60, 336309538), (68, 296743710), (76, 265507530), (85, 237394968), (95, 212406024), (102, 197829140), (114, 177005020), (120, 168154769), (136, 148371855), (152, 132753765), (170, 118697484), (190, 106203012), (204, 98914570), (228, 88502510), (255, 79131656), (285, 70802008), (323, 62472360), (340, 59348742), (380, 53101506), (408, 49457285), (456, 44251255), (487, 41434440), (510, 39565828), (570, 35401004), (646, 31236180), (680, 29674371), (760, 26550753), (969, 20824120), (974, 20717220), (1020, 19782914), (1069, 18876120), (1140, 17700502), (1292, 15618090), (1461, 13811480), (1615, 12494472), (1938, 10412060), (1948, 10358610), (2040, 9891457), (2138, 9438060), (2280, 8850251), (2435, 8286888), (2584, 7809045), (2922, 6905740), (3207, 6292040), (3230, 6247236), (3876, 5206030), (3896, 5179305), (4276, 4719030), (4845, 4164824), (4870, 4143444), (5345, 3775224), (5844, 3452870), (6414, 3146020), (6460, 3123618), (7305, 2762296), (7752, 2603015), (8279, 2437320), (8552, 2359515), (9253, 2180760), (9690, 2082412), (9740, 2071722), (10690, 1887612), (11688, 1726435), (12828, 1573010), (12920, 1561809), (14610, 1381148), (16035, 1258408), (16558, 1218660), (18173, 1110360), (18506, 1090380), (19380, 1041206), (19480, 1035861), (20311, 993480), (21380, 943806), (24837, 812440), (25656, 786505), (27759, 726920), (29220, 690574), (32070, 629204), (33116, 609330), (36346, 555180), (37012, 545190), (38760, 520603), (40622, 496740), (41395, 487464), (42760, 471903), (46265, 436152), (49674, 406220), (54519, 370120), (55518, 363460), (58440, 345287), (60933, 331160), (64140, 314602), (66232, 304665), (72692, 277590), (74024, 272595), (81244, 248370), (82790, 243732), (90865, 222072), (92530, 218076), (99348, 203110), (101555, 198696), (109038, 185060), (111036, 181730), (121866, 165580), (124185, 162488), (128280, 157301), (138795, 145384)]