128136720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1613}}^1$

素因数の和:1960

約数の個数: 80

約数和(自身を含む): 398670912

約数和(自身を除く): 270534192

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 331, 662, 993, 1324, 1613, 1655, 1986, 2648, 3226, 3310, 3972, 4839, 4965, 5296, 6452, 6620, 7944, 8065, 9678, 9930, 12904, 13240, 15888, 16130, 19356, 19860, 24195, 25808, 26480, 32260, 38712, 39720, 48390, 64520, 77424, 79440, 96780, 129040, 193560, 387120, 533903, 1067806, 1601709, 2135612, 2669515, 3203418, 4271224, 5339030, 6406836, 8008545, 8542448, 10678060, 12813672, 16017090, 21356120, 25627344, 32034180, 42712240, 64068360, 128136720]

約数ペア:

[(1, 128136720), (2, 64068360), (3, 42712240), (4, 32034180), (5, 25627344), (6, 21356120), (8, 16017090), (10, 12813672), (12, 10678060), (15, 8542448), (16, 8008545), (20, 6406836), (24, 5339030), (30, 4271224), (40, 3203418), (48, 2669515), (60, 2135612), (80, 1601709), (120, 1067806), (240, 533903), (331, 387120), (662, 193560), (993, 129040), (1324, 96780), (1613, 79440), (1655, 77424), (1986, 64520), (2648, 48390), (3226, 39720), (3310, 38712), (3972, 32260), (4839, 26480), (4965, 25808), (5296, 24195), (6452, 19860), (6620, 19356), (7944, 16130), (8065, 15888), (9678, 13240), (9930, 12904)]