81842490

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{12457}}^1$

素因数の和:12543

約数の個数: 48

約数和(自身を含む): 215722728

約数和(自身を除く): 133880238

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 73, 90, 146, 219, 365, 438, 657, 730, 1095, 1314, 2190, 3285, 6570, 12457, 24914, 37371, 62285, 74742, 112113, 124570, 186855, 224226, 373710, 560565, 909361, 1121130, 1818722, 2728083, 4546805, 5456166, 8184249, 9093610, 13640415, 16368498, 27280830, 40921245, 81842490]

約数ペア:

[(1, 81842490), (2, 40921245), (3, 27280830), (5, 16368498), (6, 13640415), (9, 9093610), (10, 8184249), (15, 5456166), (18, 4546805), (30, 2728083), (45, 1818722), (73, 1121130), (90, 909361), (146, 560565), (219, 373710), (365, 224226), (438, 186855), (657, 124570), (730, 112113), (1095, 74742), (1314, 62285), (2190, 37371), (3285, 24914), (6570, 12457)]