18044040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{21481}}^1$

素因数の和:21502

約数の個数: 64

約数和(自身を含む): 61868160

約数和(自身を除く): 43824120

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 21481, 42962, 64443, 85924, 107405, 128886, 150367, 171848, 214810, 257772, 300734, 322215, 429620, 451101, 515544, 601468, 644430, 751835, 859240, 902202, 1202936, 1288860, 1503670, 1804404, 2255505, 2577720, 3007340, 3608808, 4511010, 6014680, 9022020, 18044040]

約数ペア:

[(1, 18044040), (2, 9022020), (3, 6014680), (4, 4511010), (5, 3608808), (6, 3007340), (7, 2577720), (8, 2255505), (10, 1804404), (12, 1503670), (14, 1288860), (15, 1202936), (20, 902202), (21, 859240), (24, 751835), (28, 644430), (30, 601468), (35, 515544), (40, 451101), (42, 429620), (56, 322215), (60, 300734), (70, 257772), (84, 214810), (105, 171848), (120, 150367), (140, 128886), (168, 107405), (210, 85924), (280, 64443), (420, 42962), (840, 21481)]