65878920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{20333}}^1$

素因数の和:20356

約数の個数: 80

約数和(自身を含む): 221437260

約数和(自身を除く): 155558340

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, 20333, 40666, 60999, 81332, 101665, 121998, 162664, 182997, 203330, 243996, 304995, 365994, 406660, 487992, 548991, 609990, 731988, 813320, 914985, 1097982, 1219980, 1463976, 1646973, 1829970, 2195964, 2439960, 2744955, 3293946, 3659940, 4391928, 5489910, 6587892, 7319880, 8234865, 10979820, 13175784, 16469730, 21959640, 32939460, 65878920]

約数ペア:

[(1, 65878920), (2, 32939460), (3, 21959640), (4, 16469730), (5, 13175784), (6, 10979820), (8, 8234865), (9, 7319880), (10, 6587892), (12, 5489910), (15, 4391928), (18, 3659940), (20, 3293946), (24, 2744955), (27, 2439960), (30, 2195964), (36, 1829970), (40, 1646973), (45, 1463976), (54, 1219980), (60, 1097982), (72, 914985), (81, 813320), (90, 731988), (108, 609990), (120, 548991), (135, 487992), (162, 406660), (180, 365994), (216, 304995), (270, 243996), (324, 203330), (360, 182997), (405, 162664), (540, 121998), (648, 101665), (810, 81332), (1080, 60999), (1620, 40666), (3240, 20333)]