159929720

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{877}}^1$

素因数の和:1032

約数の個数: 64

約数和(自身を含む): 371710080

約数和(自身を除く): 211780360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 97, 188, 194, 235, 376, 388, 470, 485, 776, 877, 940, 970, 1754, 1880, 1940, 3508, 3880, 4385, 4559, 7016, 8770, 9118, 17540, 18236, 22795, 35080, 36472, 41219, 45590, 82438, 85069, 91180, 164876, 170138, 182360, 206095, 329752, 340276, 412190, 425345, 680552, 824380, 850690, 1648760, 1701380, 3402760, 3998243, 7996486, 15992972, 19991215, 31985944, 39982430, 79964860, 159929720]

約数ペア:

[(1, 159929720), (2, 79964860), (4, 39982430), (5, 31985944), (8, 19991215), (10, 15992972), (20, 7996486), (40, 3998243), (47, 3402760), (94, 1701380), (97, 1648760), (188, 850690), (194, 824380), (235, 680552), (376, 425345), (388, 412190), (470, 340276), (485, 329752), (776, 206095), (877, 182360), (940, 170138), (970, 164876), (1754, 91180), (1880, 85069), (1940, 82438), (3508, 45590), (3880, 41219), (4385, 36472), (4559, 35080), (7016, 22795), (8770, 18236), (9118, 17540)]