138921660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{16421}}^1$

素因数の和:16483

約数の個数: 72

約数和(自身を含む): 430387776

約数和(自身を除く): 291466116

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2820, 4230, 8460, 16421, 32842, 49263, 65684, 82105, 98526, 147789, 164210, 197052, 246315, 295578, 328420, 492630, 591156, 738945, 771787, 985260, 1477890, 1543574, 2315361, 2955780, 3087148, 3858935, 4630722, 6946083, 7717870, 9261444, 11576805, 13892166, 15435740, 23153610, 27784332, 34730415, 46307220, 69460830, 138921660]

約数ペア:

[(1, 138921660), (2, 69460830), (3, 46307220), (4, 34730415), (5, 27784332), (6, 23153610), (9, 15435740), (10, 13892166), (12, 11576805), (15, 9261444), (18, 7717870), (20, 6946083), (30, 4630722), (36, 3858935), (45, 3087148), (47, 2955780), (60, 2315361), (90, 1543574), (94, 1477890), (141, 985260), (180, 771787), (188, 738945), (235, 591156), (282, 492630), (423, 328420), (470, 295578), (564, 246315), (705, 197052), (846, 164210), (940, 147789), (1410, 98526), (1692, 82105), (2115, 65684), (2820, 49263), (4230, 32842), (8460, 16421)]