72987408

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{307}}^1$

素因数の和:461

約数の個数: 120

約数和(自身を含む): 222430208

約数和(自身を除く): 149442800

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 127, 144, 156, 208, 234, 254, 307, 312, 381, 468, 508, 614, 624, 762, 921, 936, 1016, 1143, 1228, 1524, 1651, 1842, 1872, 2032, 2286, 2456, 2763, 3048, 3302, 3684, 3991, 4572, 4912, 4953, 5526, 6096, 6604, 7368, 7982, 9144, 9906, 11052, 11973, 13208, 14736, 14859, 15964, 18288, 19812, 22104, 23946, 26416, 29718, 31928, 35919, 38989, 39624, 44208, 47892, 59436, 63856, 71838, 77978, 79248, 95784, 116967, 118872, 143676, 155956, 191568, 233934, 237744, 287352, 311912, 350901, 467868, 506857, 574704, 623824, 701802, 935736, 1013714, 1403604, 1520571, 1871472, 2027428, 2807208, 3041142, 4054856, 4561713, 5614416, 6082284, 8109712, 9123426, 12164568, 18246852, 24329136, 36493704, 72987408]

約数ペア:

[(1, 72987408), (2, 36493704), (3, 24329136), (4, 18246852), (6, 12164568), (8, 9123426), (9, 8109712), (12, 6082284), (13, 5614416), (16, 4561713), (18, 4054856), (24, 3041142), (26, 2807208), (36, 2027428), (39, 1871472), (48, 1520571), (52, 1403604), (72, 1013714), (78, 935736), (104, 701802), (117, 623824), (127, 574704), (144, 506857), (156, 467868), (208, 350901), (234, 311912), (254, 287352), (307, 237744), (312, 233934), (381, 191568), (468, 155956), (508, 143676), (614, 118872), (624, 116967), (762, 95784), (921, 79248), (936, 77978), (1016, 71838), (1143, 63856), (1228, 59436), (1524, 47892), (1651, 44208), (1842, 39624), (1872, 38989), (2032, 35919), (2286, 31928), (2456, 29718), (2763, 26416), (3048, 23946), (3302, 22104), (3684, 19812), (3991, 18288), (4572, 15964), (4912, 14859), (4953, 14736), (5526, 13208), (6096, 11973), (6604, 11052), (7368, 9906), (7982, 9144)]