128799120

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{491}}^1\times {\mathrm{1093}}^1$

素因数の和:1600

約数の個数: 80

約数和(自身を含む): 400456512

約数和(自身を除く): 271657392

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 491, 982, 1093, 1473, 1964, 2186, 2455, 2946, 3279, 3928, 4372, 4910, 5465, 5892, 6558, 7365, 7856, 8744, 9820, 10930, 11784, 13116, 14730, 16395, 17488, 19640, 21860, 23568, 26232, 29460, 32790, 39280, 43720, 52464, 58920, 65580, 87440, 117840, 131160, 262320, 536663, 1073326, 1609989, 2146652, 2683315, 3219978, 4293304, 5366630, 6439956, 8049945, 8586608, 10733260, 12879912, 16099890, 21466520, 25759824, 32199780, 42933040, 64399560, 128799120]

約数ペア:

[(1, 128799120), (2, 64399560), (3, 42933040), (4, 32199780), (5, 25759824), (6, 21466520), (8, 16099890), (10, 12879912), (12, 10733260), (15, 8586608), (16, 8049945), (20, 6439956), (24, 5366630), (30, 4293304), (40, 3219978), (48, 2683315), (60, 2146652), (80, 1609989), (120, 1073326), (240, 536663), (491, 262320), (982, 131160), (1093, 117840), (1473, 87440), (1964, 65580), (2186, 58920), (2455, 52464), (2946, 43720), (3279, 39280), (3928, 32790), (4372, 29460), (4910, 26232), (5465, 23568), (5892, 21860), (6558, 19640), (7365, 17488), (7856, 16395), (8744, 14730), (9820, 13116), (10930, 11784)]