16865820

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{359}}^1$

素因数の和:409

約数の個数: 120

約数和(自身を含む): 54885600

約数和(自身を除く): 38019780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 29, 30, 36, 45, 54, 58, 60, 81, 87, 90, 108, 116, 135, 145, 162, 174, 180, 261, 270, 290, 324, 348, 359, 405, 435, 522, 540, 580, 718, 783, 810, 870, 1044, 1077, 1305, 1436, 1566, 1620, 1740, 1795, 2154, 2349, 2610, 3132, 3231, 3590, 3915, 4308, 4698, 5220, 5385, 6462, 7180, 7830, 9396, 9693, 10411, 10770, 11745, 12924, 15660, 16155, 19386, 20822, 21540, 23490, 29079, 31233, 32310, 38772, 41644, 46980, 48465, 52055, 58158, 62466, 64620, 93699, 96930, 104110, 116316, 124932, 145395, 156165, 187398, 193860, 208220, 281097, 290790, 312330, 374796, 468495, 562194, 581580, 624660, 843291, 936990, 1124388, 1405485, 1686582, 1873980, 2810970, 3373164, 4216455, 5621940, 8432910, 16865820]

約数ペア:

[(1, 16865820), (2, 8432910), (3, 5621940), (4, 4216455), (5, 3373164), (6, 2810970), (9, 1873980), (10, 1686582), (12, 1405485), (15, 1124388), (18, 936990), (20, 843291), (27, 624660), (29, 581580), (30, 562194), (36, 468495), (45, 374796), (54, 312330), (58, 290790), (60, 281097), (81, 208220), (87, 193860), (90, 187398), (108, 156165), (116, 145395), (135, 124932), (145, 116316), (162, 104110), (174, 96930), (180, 93699), (261, 64620), (270, 62466), (290, 58158), (324, 52055), (348, 48465), (359, 46980), (405, 41644), (435, 38772), (522, 32310), (540, 31233), (580, 29079), (718, 23490), (783, 21540), (810, 20822), (870, 19386), (1044, 16155), (1077, 15660), (1305, 12924), (1436, 11745), (1566, 10770), (1620, 10411), (1740, 9693), (1795, 9396), (2154, 7830), (2349, 7180), (2610, 6462), (3132, 5385), (3231, 5220), (3590, 4698), (3915, 4308)]