81116490

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{691}}^1$

素因数の和:764

約数の個数: 128

約数和(自身を含む): 245532672

約数和(自身を除く): 164416182

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 43, 65, 70, 78, 86, 91, 105, 129, 130, 182, 195, 210, 215, 258, 273, 301, 390, 430, 455, 546, 559, 602, 645, 691, 903, 910, 1118, 1290, 1365, 1382, 1505, 1677, 1806, 2073, 2730, 2795, 3010, 3354, 3455, 3913, 4146, 4515, 4837, 5590, 6910, 7826, 8385, 8983, 9030, 9674, 10365, 11739, 14511, 16770, 17966, 19565, 20730, 23478, 24185, 26949, 29022, 29713, 39130, 44915, 48370, 53898, 58695, 59426, 62881, 72555, 89139, 89830, 117390, 125762, 134745, 145110, 148565, 178278, 188643, 207991, 269490, 297130, 314405, 377286, 386269, 415982, 445695, 623973, 628810, 772538, 891390, 943215, 1039955, 1158807, 1247946, 1886430, 1931345, 2079910, 2317614, 2703883, 3119865, 3862690, 5407766, 5794035, 6239730, 8111649, 11588070, 13519415, 16223298, 27038830, 40558245, 81116490]

約数ペア:

[(1, 81116490), (2, 40558245), (3, 27038830), (5, 16223298), (6, 13519415), (7, 11588070), (10, 8111649), (13, 6239730), (14, 5794035), (15, 5407766), (21, 3862690), (26, 3119865), (30, 2703883), (35, 2317614), (39, 2079910), (42, 1931345), (43, 1886430), (65, 1247946), (70, 1158807), (78, 1039955), (86, 943215), (91, 891390), (105, 772538), (129, 628810), (130, 623973), (182, 445695), (195, 415982), (210, 386269), (215, 377286), (258, 314405), (273, 297130), (301, 269490), (390, 207991), (430, 188643), (455, 178278), (546, 148565), (559, 145110), (602, 134745), (645, 125762), (691, 117390), (903, 89830), (910, 89139), (1118, 72555), (1290, 62881), (1365, 59426), (1382, 58695), (1505, 53898), (1677, 48370), (1806, 44915), (2073, 39130), (2730, 29713), (2795, 29022), (3010, 26949), (3354, 24185), (3455, 23478), (3913, 20730), (4146, 19565), (4515, 17966), (4837, 16770), (5590, 14511), (6910, 11739), (7826, 10365), (8385, 9674), (8983, 9030)]