180621272

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{643}}^1$

素因数の和:772

約数の個数: 64

約数和(自身を含む): 380294880

約数和(自身を除く): 199673608

約数列:

[1, 2, 4, 8, 13, 26, 37, 52, 73, 74, 104, 146, 148, 292, 296, 481, 584, 643, 949, 962, 1286, 1898, 1924, 2572, 2701, 3796, 3848, 5144, 5402, 7592, 8359, 10804, 16718, 21608, 23791, 33436, 35113, 46939, 47582, 66872, 70226, 93878, 95164, 140452, 187756, 190328, 280904, 309283, 375512, 610207, 618566, 1220414, 1237132, 1736743, 2440828, 2474264, 3473486, 4881656, 6946972, 13893944, 22577659, 45155318, 90310636, 180621272]

約数ペア:

[(1, 180621272), (2, 90310636), (4, 45155318), (8, 22577659), (13, 13893944), (26, 6946972), (37, 4881656), (52, 3473486), (73, 2474264), (74, 2440828), (104, 1736743), (146, 1237132), (148, 1220414), (292, 618566), (296, 610207), (481, 375512), (584, 309283), (643, 280904), (949, 190328), (962, 187756), (1286, 140452), (1898, 95164), (1924, 93878), (2572, 70226), (2701, 66872), (3796, 47582), (3848, 46939), (5144, 35113), (5402, 33436), (7592, 23791), (8359, 21608), (10804, 16718)]