278684172

素因数分解:

$2^2\times 3^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{337}}^1$

素因数の和:413

約数の個数: 192

約数和(自身を含む): 847974400

約数和(自身を除く): 569290228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 19, 26, 27, 31, 36, 38, 39, 52, 54, 57, 62, 76, 78, 93, 108, 114, 117, 124, 156, 171, 186, 228, 234, 247, 279, 337, 342, 351, 372, 403, 468, 494, 513, 558, 589, 674, 684, 702, 741, 806, 837, 988, 1011, 1026, 1116, 1178, 1209, 1348, 1404, 1482, 1612, 1674, 1767, 2022, 2052, 2223, 2356, 2418, 2964, 3033, 3348, 3534, 3627, 4044, 4381, 4446, 4836, 5301, 6066, 6403, 6669, 7068, 7254, 7657, 8762, 8892, 9099, 10447, 10602, 10881, 12132, 12806, 13143, 13338, 14508, 15314, 15903, 17524, 18198, 19209, 20894, 21204, 21762, 22971, 25612, 26286, 26676, 30628, 31341, 31806, 36396, 38418, 39429, 41788, 43524, 45942, 52572, 57627, 62682, 63612, 68913, 76836, 78858, 83239, 91884, 94023, 115254, 118287, 125364, 135811, 137826, 157716, 166478, 172881, 188046, 198493, 206739, 230508, 236574, 249717, 271622, 275652, 282069, 332956, 345762, 376092, 396986, 407433, 413478, 473148, 499434, 543244, 564138, 595479, 691524, 749151, 793972, 814866, 826956, 998868, 1128276, 1190958, 1222299, 1498302, 1629732, 1786437, 2247453, 2381916, 2444598, 2580409, 2996604, 3572874, 3666897, 4494906, 4889196, 5160818, 5359311, 7145748, 7333794, 7741227, 8989812, 10321636, 10718622, 14667588, 15482454, 21437244, 23223681, 30964908, 46447362, 69671043, 92894724, 139342086, 278684172]

約数ペア:

[(1, 278684172), (2, 139342086), (3, 92894724), (4, 69671043), (6, 46447362), (9, 30964908), (12, 23223681), (13, 21437244), (18, 15482454), (19, 14667588), (26, 10718622), (27, 10321636), (31, 8989812), (36, 7741227), (38, 7333794), (39, 7145748), (52, 5359311), (54, 5160818), (57, 4889196), (62, 4494906), (76, 3666897), (78, 3572874), (93, 2996604), (108, 2580409), (114, 2444598), (117, 2381916), (124, 2247453), (156, 1786437), (171, 1629732), (186, 1498302), (228, 1222299), (234, 1190958), (247, 1128276), (279, 998868), (337, 826956), (342, 814866), (351, 793972), (372, 749151), (403, 691524), (468, 595479), (494, 564138), (513, 543244), (558, 499434), (589, 473148), (674, 413478), (684, 407433), (702, 396986), (741, 376092), (806, 345762), (837, 332956), (988, 282069), (1011, 275652), (1026, 271622), (1116, 249717), (1178, 236574), (1209, 230508), (1348, 206739), (1404, 198493), (1482, 188046), (1612, 172881), (1674, 166478), (1767, 157716), (2022, 137826), (2052, 135811), (2223, 125364), (2356, 118287), (2418, 115254), (2964, 94023), (3033, 91884), (3348, 83239), (3534, 78858), (3627, 76836), (4044, 68913), (4381, 63612), (4446, 62682), (4836, 57627), (5301, 52572), (6066, 45942), (6403, 43524), (6669, 41788), (7068, 39429), (7254, 38418), (7657, 36396), (8762, 31806), (8892, 31341), (9099, 30628), (10447, 26676), (10602, 26286), (10881, 25612), (12132, 22971), (12806, 21762), (13143, 21204), (13338, 20894), (14508, 19209), (15314, 18198), (15903, 17524)]