311568960

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{661}}^1$

素因数の和:1172

約数の個数: 112

約数和(自身を含む): 992745792

約数和(自身を除く): 681176832

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 491, 661, 960, 982, 1322, 1473, 1964, 1983, 2455, 2644, 2946, 3305, 3928, 3966, 4910, 5288, 5892, 6610, 7365, 7856, 7932, 9820, 9915, 10576, 11784, 13220, 14730, 15712, 15864, 19640, 19830, 21152, 23568, 26440, 29460, 31424, 31728, 39280, 39660, 42304, 47136, 52880, 58920, 63456, 78560, 79320, 94272, 105760, 117840, 126912, 157120, 158640, 211520, 235680, 317280, 324551, 471360, 634560, 649102, 973653, 1298204, 1622755, 1947306, 2596408, 3245510, 3894612, 4868265, 5192816, 6491020, 7789224, 9736530, 10385632, 12982040, 15578448, 19473060, 20771264, 25964080, 31156896, 38946120, 51928160, 62313792, 77892240, 103856320, 155784480, 311568960]

約数ペア:

[(1, 311568960), (2, 155784480), (3, 103856320), (4, 77892240), (5, 62313792), (6, 51928160), (8, 38946120), (10, 31156896), (12, 25964080), (15, 20771264), (16, 19473060), (20, 15578448), (24, 12982040), (30, 10385632), (32, 9736530), (40, 7789224), (48, 6491020), (60, 5192816), (64, 4868265), (80, 3894612), (96, 3245510), (120, 2596408), (160, 1947306), (192, 1622755), (240, 1298204), (320, 973653), (480, 649102), (491, 634560), (661, 471360), (960, 324551), (982, 317280), (1322, 235680), (1473, 211520), (1964, 158640), (1983, 157120), (2455, 126912), (2644, 117840), (2946, 105760), (3305, 94272), (3928, 79320), (3966, 78560), (4910, 63456), (5288, 58920), (5892, 52880), (6610, 47136), (7365, 42304), (7856, 39660), (7932, 39280), (9820, 31728), (9915, 31424), (10576, 29460), (11784, 26440), (13220, 23568), (14730, 21152), (15712, 19830), (15864, 19640)]