64739880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{179833}}^1$

素因数の和:179850

約数の個数: 48

約数和(自身を含む): 210405780

約数和(自身を除く): 145665900

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, 179833, 359666, 539499, 719332, 899165, 1078998, 1438664, 1618497, 1798330, 2157996, 2697495, 3236994, 3596660, 4315992, 5394990, 6473988, 7193320, 8092485, 10789980, 12947976, 16184970, 21579960, 32369940, 64739880]

約数ペア:

[(1, 64739880), (2, 32369940), (3, 21579960), (4, 16184970), (5, 12947976), (6, 10789980), (8, 8092485), (9, 7193320), (10, 6473988), (12, 5394990), (15, 4315992), (18, 3596660), (20, 3236994), (24, 2697495), (30, 2157996), (36, 1798330), (40, 1618497), (45, 1438664), (60, 1078998), (72, 899165), (90, 719332), (120, 539499), (180, 359666), (360, 179833)]