820821690

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{283}}^1$

素因数の和:413

約数の個数: 192

約数和(自身を含む): 2404112256

約数和(自身を除く): 1583290566

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 37, 39, 45, 65, 67, 74, 78, 90, 111, 117, 130, 134, 185, 195, 201, 222, 234, 283, 333, 335, 370, 390, 402, 481, 555, 566, 585, 603, 666, 670, 849, 871, 962, 1005, 1110, 1170, 1206, 1415, 1443, 1665, 1698, 1742, 2010, 2405, 2479, 2547, 2613, 2830, 2886, 3015, 3330, 3679, 4245, 4329, 4355, 4810, 4958, 5094, 5226, 6030, 7215, 7358, 7437, 7839, 8490, 8658, 8710, 10471, 11037, 12395, 12735, 13065, 14430, 14874, 15678, 18395, 18961, 20942, 21645, 22074, 22311, 24790, 25470, 26130, 31413, 32227, 33111, 36790, 37185, 37922, 39195, 43290, 44622, 52355, 55185, 56883, 62826, 64454, 66222, 74370, 78390, 94239, 94805, 96681, 104710, 110370, 111555, 113766, 136123, 157065, 161135, 165555, 170649, 188478, 189610, 193362, 223110, 246493, 272246, 284415, 290043, 314130, 322270, 331110, 341298, 408369, 471195, 483405, 492986, 568830, 580086, 680615, 701557, 739479, 816738, 853245, 942390, 966810, 1225107, 1232465, 1361230, 1403114, 1450215, 1478958, 1706490, 2041845, 2104671, 2218437, 2450214, 2464930, 2900430, 3507785, 3697395, 4083690, 4209342, 4436874, 6125535, 6314013, 7015570, 7394790, 9120241, 10523355, 11092185, 12251070, 12628026, 18240482, 21046710, 22184370, 27360723, 31570065, 45601205, 54721446, 63140130, 82082169, 91202410, 136803615, 164164338, 273607230, 410410845, 820821690]

約数ペア:

[(1, 820821690), (2, 410410845), (3, 273607230), (5, 164164338), (6, 136803615), (9, 91202410), (10, 82082169), (13, 63140130), (15, 54721446), (18, 45601205), (26, 31570065), (30, 27360723), (37, 22184370), (39, 21046710), (45, 18240482), (65, 12628026), (67, 12251070), (74, 11092185), (78, 10523355), (90, 9120241), (111, 7394790), (117, 7015570), (130, 6314013), (134, 6125535), (185, 4436874), (195, 4209342), (201, 4083690), (222, 3697395), (234, 3507785), (283, 2900430), (333, 2464930), (335, 2450214), (370, 2218437), (390, 2104671), (402, 2041845), (481, 1706490), (555, 1478958), (566, 1450215), (585, 1403114), (603, 1361230), (666, 1232465), (670, 1225107), (849, 966810), (871, 942390), (962, 853245), (1005, 816738), (1110, 739479), (1170, 701557), (1206, 680615), (1415, 580086), (1443, 568830), (1665, 492986), (1698, 483405), (1742, 471195), (2010, 408369), (2405, 341298), (2479, 331110), (2547, 322270), (2613, 314130), (2830, 290043), (2886, 284415), (3015, 272246), (3330, 246493), (3679, 223110), (4245, 193362), (4329, 189610), (4355, 188478), (4810, 170649), (4958, 165555), (5094, 161135), (5226, 157065), (6030, 136123), (7215, 113766), (7358, 111555), (7437, 110370), (7839, 104710), (8490, 96681), (8658, 94805), (8710, 94239), (10471, 78390), (11037, 74370), (12395, 66222), (12735, 64454), (13065, 62826), (14430, 56883), (14874, 55185), (15678, 52355), (18395, 44622), (18961, 43290), (20942, 39195), (21645, 37922), (22074, 37185), (22311, 36790), (24790, 33111), (25470, 32227), (26130, 31413)]