161630840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{7307}}^1$

素因数の和:7404

約数の個数: 64

約数和(自身を含む): 420940800

約数和(自身を除く): 259309960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1580, 2212, 2765, 3160, 4424, 5530, 7307, 11060, 14614, 22120, 29228, 36535, 51149, 58456, 73070, 102298, 146140, 204596, 255745, 292280, 409192, 511490, 577253, 1022980, 1154506, 2045960, 2309012, 2886265, 4040771, 4618024, 5772530, 8081542, 11545060, 16163084, 20203855, 23090120, 32326168, 40407710, 80815420, 161630840]

約数ペア:

[(1, 161630840), (2, 80815420), (4, 40407710), (5, 32326168), (7, 23090120), (8, 20203855), (10, 16163084), (14, 11545060), (20, 8081542), (28, 5772530), (35, 4618024), (40, 4040771), (56, 2886265), (70, 2309012), (79, 2045960), (140, 1154506), (158, 1022980), (280, 577253), (316, 511490), (395, 409192), (553, 292280), (632, 255745), (790, 204596), (1106, 146140), (1580, 102298), (2212, 73070), (2765, 58456), (3160, 51149), (4424, 36535), (5530, 29228), (7307, 22120), (11060, 14614)]