678404790

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{139}}^1$

素因数の和:347

約数の個数: 192

約数和(自身を含む): 2079866880

約数和(自身を除く): 1401462090

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 61, 63, 70, 90, 105, 122, 126, 127, 139, 183, 210, 254, 278, 305, 315, 366, 381, 417, 427, 549, 610, 630, 635, 695, 762, 834, 854, 889, 915, 973, 1098, 1143, 1251, 1270, 1281, 1390, 1778, 1830, 1905, 1946, 2085, 2135, 2286, 2502, 2562, 2667, 2745, 2919, 3810, 3843, 4170, 4270, 4445, 4865, 5334, 5490, 5715, 5838, 6255, 6405, 7686, 7747, 8001, 8479, 8757, 8890, 9730, 11430, 12510, 12810, 13335, 14595, 15494, 16002, 16958, 17514, 17653, 19215, 23241, 25437, 26670, 29190, 35306, 38430, 38735, 40005, 42395, 43785, 46482, 50874, 52959, 54229, 59353, 69723, 76311, 77470, 80010, 84790, 87570, 88265, 105918, 108458, 116205, 118706, 123571, 127185, 139446, 152622, 158877, 162687, 176530, 178059, 232410, 247142, 254370, 264795, 271145, 296765, 317754, 325374, 348615, 356118, 370713, 381555, 488061, 529590, 534177, 542290, 593530, 617855, 697230, 741426, 763110, 794385, 813435, 890295, 976122, 1068354, 1076833, 1112139, 1235710, 1588770, 1626870, 1780590, 1853565, 2153666, 2224278, 2440305, 2670885, 3230499, 3707130, 4880610, 5341770, 5384165, 5560695, 6460998, 7537831, 9691497, 10768330, 11121390, 15075662, 16152495, 19382994, 22613493, 32304990, 37689155, 45226986, 48457485, 67840479, 75378310, 96914970, 113067465, 135680958, 226134930, 339202395, 678404790]

約数ペア:

[(1, 678404790), (2, 339202395), (3, 226134930), (5, 135680958), (6, 113067465), (7, 96914970), (9, 75378310), (10, 67840479), (14, 48457485), (15, 45226986), (18, 37689155), (21, 32304990), (30, 22613493), (35, 19382994), (42, 16152495), (45, 15075662), (61, 11121390), (63, 10768330), (70, 9691497), (90, 7537831), (105, 6460998), (122, 5560695), (126, 5384165), (127, 5341770), (139, 4880610), (183, 3707130), (210, 3230499), (254, 2670885), (278, 2440305), (305, 2224278), (315, 2153666), (366, 1853565), (381, 1780590), (417, 1626870), (427, 1588770), (549, 1235710), (610, 1112139), (630, 1076833), (635, 1068354), (695, 976122), (762, 890295), (834, 813435), (854, 794385), (889, 763110), (915, 741426), (973, 697230), (1098, 617855), (1143, 593530), (1251, 542290), (1270, 534177), (1281, 529590), (1390, 488061), (1778, 381555), (1830, 370713), (1905, 356118), (1946, 348615), (2085, 325374), (2135, 317754), (2286, 296765), (2502, 271145), (2562, 264795), (2667, 254370), (2745, 247142), (2919, 232410), (3810, 178059), (3843, 176530), (4170, 162687), (4270, 158877), (4445, 152622), (4865, 139446), (5334, 127185), (5490, 123571), (5715, 118706), (5838, 116205), (6255, 108458), (6405, 105918), (7686, 88265), (7747, 87570), (8001, 84790), (8479, 80010), (8757, 77470), (8890, 76311), (9730, 69723), (11430, 59353), (12510, 54229), (12810, 52959), (13335, 50874), (14595, 46482), (15494, 43785), (16002, 42395), (16958, 40005), (17514, 38735), (17653, 38430), (19215, 35306), (23241, 29190), (25437, 26670)]