215795720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{797}}^1\times {\mathrm{967}}^1$

素因数の和:1782

約数の個数: 64

約数和(自身を含む): 556174080

約数和(自身を除く): 340378360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 797, 967, 1594, 1934, 3188, 3868, 3985, 4835, 5579, 6376, 6769, 7736, 7970, 9670, 11158, 13538, 15940, 19340, 22316, 27076, 27895, 31880, 33845, 38680, 44632, 54152, 55790, 67690, 111580, 135380, 223160, 270760, 770699, 1541398, 3082796, 3853495, 5394893, 6165592, 7706990, 10789786, 15413980, 21579572, 26974465, 30827960, 43159144, 53948930, 107897860, 215795720]

約数ペア:

[(1, 215795720), (2, 107897860), (4, 53948930), (5, 43159144), (7, 30827960), (8, 26974465), (10, 21579572), (14, 15413980), (20, 10789786), (28, 7706990), (35, 6165592), (40, 5394893), (56, 3853495), (70, 3082796), (140, 1541398), (280, 770699), (797, 270760), (967, 223160), (1594, 135380), (1934, 111580), (3188, 67690), (3868, 55790), (3985, 54152), (4835, 44632), (5579, 38680), (6376, 33845), (6769, 31880), (7736, 27895), (7970, 27076), (9670, 22316), (11158, 19340), (13538, 15940)]