66779640

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{20611}}^1$

素因数の和:20634

約数の個数: 80

約数和(自身を含む): 224464680

約数和(自身を除く): 157685040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 20611, 41222, 61833, 82444, 103055, 123666, 164888, 185499, 206110, 247332, 309165, 370998, 412220, 494664, 556497, 618330, 741996, 824440, 927495, 1112994, 1236660, 1483992, 1669491, 1854990, 2225988, 2473320, 2782485, 3338982, 3709980, 4451976, 5564970, 6677964, 7419960, 8347455, 11129940, 13355928, 16694910, 22259880, 33389820, 66779640]

約数ペア:

[(1, 66779640), (2, 33389820), (3, 22259880), (4, 16694910), (5, 13355928), (6, 11129940), (8, 8347455), (9, 7419960), (10, 6677964), (12, 5564970), (15, 4451976), (18, 3709980), (20, 3338982), (24, 2782485), (27, 2473320), (30, 2225988), (36, 1854990), (40, 1669491), (45, 1483992), (54, 1236660), (60, 1112994), (72, 927495), (81, 824440), (90, 741996), (108, 618330), (120, 556497), (135, 494664), (162, 412220), (180, 370998), (216, 309165), (270, 247332), (324, 206110), (360, 185499), (405, 164888), (540, 123666), (648, 103055), (810, 82444), (1080, 61833), (1620, 41222), (3240, 20611)]