128930160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1381}}^1$

素因数の和:1786

約数の個数: 80

約数和(自身を含む): 401001120

約数和(自身を除く): 272070960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 389, 778, 1167, 1381, 1556, 1945, 2334, 2762, 3112, 3890, 4143, 4668, 5524, 5835, 6224, 6905, 7780, 8286, 9336, 11048, 11670, 13810, 15560, 16572, 18672, 20715, 22096, 23340, 27620, 31120, 33144, 41430, 46680, 55240, 66288, 82860, 93360, 110480, 165720, 331440, 537209, 1074418, 1611627, 2148836, 2686045, 3223254, 4297672, 5372090, 6446508, 8058135, 8595344, 10744180, 12893016, 16116270, 21488360, 25786032, 32232540, 42976720, 64465080, 128930160]

約数ペア:

[(1, 128930160), (2, 64465080), (3, 42976720), (4, 32232540), (5, 25786032), (6, 21488360), (8, 16116270), (10, 12893016), (12, 10744180), (15, 8595344), (16, 8058135), (20, 6446508), (24, 5372090), (30, 4297672), (40, 3223254), (48, 2686045), (60, 2148836), (80, 1611627), (120, 1074418), (240, 537209), (389, 331440), (778, 165720), (1167, 110480), (1381, 93360), (1556, 82860), (1945, 66288), (2334, 55240), (2762, 46680), (3112, 41430), (3890, 33144), (4143, 31120), (4668, 27620), (5524, 23340), (5835, 22096), (6224, 20715), (6905, 18672), (7780, 16572), (8286, 15560), (9336, 13810), (11048, 11670)]