18572960

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1$

素因数の和:155

約数の個数: 144

約数和(自身を含む): 53778816

約数和(自身を除く): 35205856

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 49, 56, 70, 80, 92, 98, 103, 112, 115, 140, 160, 161, 184, 196, 206, 224, 230, 245, 280, 322, 368, 392, 412, 460, 490, 515, 560, 644, 721, 736, 784, 805, 824, 920, 980, 1030, 1120, 1127, 1288, 1442, 1568, 1610, 1648, 1840, 1960, 2060, 2254, 2369, 2576, 2884, 3220, 3296, 3605, 3680, 3920, 4120, 4508, 4738, 5047, 5152, 5635, 5768, 6440, 7210, 7840, 8240, 9016, 9476, 10094, 11270, 11536, 11845, 12880, 14420, 16480, 16583, 18032, 18952, 20188, 22540, 23072, 23690, 25235, 25760, 28840, 33166, 36064, 37904, 40376, 45080, 47380, 50470, 57680, 66332, 75808, 80752, 82915, 90160, 94760, 100940, 115360, 116081, 132664, 161504, 165830, 180320, 189520, 201880, 232162, 265328, 331660, 379040, 403760, 464324, 530656, 580405, 663320, 807520, 928648, 1160810, 1326640, 1857296, 2321620, 2653280, 3714592, 4643240, 9286480, 18572960]

約数ペア:

[(1, 18572960), (2, 9286480), (4, 4643240), (5, 3714592), (7, 2653280), (8, 2321620), (10, 1857296), (14, 1326640), (16, 1160810), (20, 928648), (23, 807520), (28, 663320), (32, 580405), (35, 530656), (40, 464324), (46, 403760), (49, 379040), (56, 331660), (70, 265328), (80, 232162), (92, 201880), (98, 189520), (103, 180320), (112, 165830), (115, 161504), (140, 132664), (160, 116081), (161, 115360), (184, 100940), (196, 94760), (206, 90160), (224, 82915), (230, 80752), (245, 75808), (280, 66332), (322, 57680), (368, 50470), (392, 47380), (412, 45080), (460, 40376), (490, 37904), (515, 36064), (560, 33166), (644, 28840), (721, 25760), (736, 25235), (784, 23690), (805, 23072), (824, 22540), (920, 20188), (980, 18952), (1030, 18032), (1120, 16583), (1127, 16480), (1288, 14420), (1442, 12880), (1568, 11845), (1610, 11536), (1648, 11270), (1840, 10094), (1960, 9476), (2060, 9016), (2254, 8240), (2369, 7840), (2576, 7210), (2884, 6440), (3220, 5768), (3296, 5635), (3605, 5152), (3680, 5047), (3920, 4738), (4120, 4508)]