161996280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{313}}^1$

素因数の和:573

約数の個数: 128

約数和(自身を含む): 515462400

約数和(自身を除く): 353466120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 227, 228, 285, 313, 380, 454, 456, 570, 626, 681, 760, 908, 939, 1135, 1140, 1252, 1362, 1565, 1816, 1878, 2270, 2280, 2504, 2724, 3130, 3405, 3756, 4313, 4540, 4695, 5448, 5947, 6260, 6810, 7512, 8626, 9080, 9390, 11894, 12520, 12939, 13620, 17252, 17841, 18780, 21565, 23788, 25878, 27240, 29735, 34504, 35682, 37560, 43130, 47576, 51756, 59470, 64695, 71051, 71364, 86260, 89205, 103512, 118940, 129390, 142102, 142728, 172520, 178410, 213153, 237880, 258780, 284204, 355255, 356820, 426306, 517560, 568408, 710510, 713640, 852612, 1065765, 1349969, 1421020, 1705224, 2131530, 2699938, 2842040, 4049907, 4263060, 5399876, 6749845, 8099814, 8526120, 10799752, 13499690, 16199628, 20249535, 26999380, 32399256, 40499070, 53998760, 80998140, 161996280]

約数ペア:

[(1, 161996280), (2, 80998140), (3, 53998760), (4, 40499070), (5, 32399256), (6, 26999380), (8, 20249535), (10, 16199628), (12, 13499690), (15, 10799752), (19, 8526120), (20, 8099814), (24, 6749845), (30, 5399876), (38, 4263060), (40, 4049907), (57, 2842040), (60, 2699938), (76, 2131530), (95, 1705224), (114, 1421020), (120, 1349969), (152, 1065765), (190, 852612), (227, 713640), (228, 710510), (285, 568408), (313, 517560), (380, 426306), (454, 356820), (456, 355255), (570, 284204), (626, 258780), (681, 237880), (760, 213153), (908, 178410), (939, 172520), (1135, 142728), (1140, 142102), (1252, 129390), (1362, 118940), (1565, 103512), (1816, 89205), (1878, 86260), (2270, 71364), (2280, 71051), (2504, 64695), (2724, 59470), (3130, 51756), (3405, 47576), (3756, 43130), (4313, 37560), (4540, 35682), (4695, 34504), (5448, 29735), (5947, 27240), (6260, 25878), (6810, 23788), (7512, 21565), (8626, 18780), (9080, 17841), (9390, 17252), (11894, 13620), (12520, 12939)]