145452520

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{193}}^1\times {\mathrm{227}}^1$

素因数の和:514

約数の個数: 64

約数和(自身を含む): 334393920

約数和(自身を除く): 188941400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 193, 227, 332, 386, 415, 454, 664, 772, 830, 908, 965, 1135, 1544, 1660, 1816, 1930, 2270, 3320, 3860, 4540, 7720, 9080, 16019, 18841, 32038, 37682, 43811, 64076, 75364, 80095, 87622, 94205, 128152, 150728, 160190, 175244, 188410, 219055, 320380, 350488, 376820, 438110, 640760, 753640, 876220, 1752440, 3636313, 7272626, 14545252, 18181565, 29090504, 36363130, 72726260, 145452520]

約数ペア:

[(1, 145452520), (2, 72726260), (4, 36363130), (5, 29090504), (8, 18181565), (10, 14545252), (20, 7272626), (40, 3636313), (83, 1752440), (166, 876220), (193, 753640), (227, 640760), (332, 438110), (386, 376820), (415, 350488), (454, 320380), (664, 219055), (772, 188410), (830, 175244), (908, 160190), (965, 150728), (1135, 128152), (1544, 94205), (1660, 87622), (1816, 80095), (1930, 75364), (2270, 64076), (3320, 43811), (3860, 37682), (4540, 32038), (7720, 18841), (9080, 16019)]