64893240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{180259}}^1$

素因数の和:180276

約数の個数: 48

約数和(自身を含む): 210904200

約数和(自身を除く): 146010960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 180259, 360518, 540777, 721036, 901295, 1081554, 1442072, 1622331, 1802590, 2163108, 2703885, 3244662, 3605180, 4326216, 5407770, 6489324, 7210360, 8111655, 10815540, 12978648, 16223310, 21631080, 32446620, 64893240]

約数ペア:

[(1, 64893240), (2, 32446620), (3, 21631080), (4, 16223310), (5, 12978648), (6, 10815540), (8, 8111655), (9, 7210360), (10, 6489324), (12, 5407770), (15, 4326216), (18, 3605180), (20, 3244662), (24, 2703885), (30, 2163108), (36, 1802590), (40, 1622331), (45, 1442072), (60, 1081554), (72, 901295), (90, 721036), (120, 540777), (180, 360518), (360, 180259)]