79920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{37}}^1$

素因数の和:59

約数の個数: 80

約数和(自身を含む): 282720

約数和(自身を除く): 202800

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 90, 108, 111, 120, 135, 144, 148, 180, 185, 216, 222, 240, 270, 296, 333, 360, 370, 432, 444, 540, 555, 592, 666, 720, 740, 888, 999, 1080, 1110, 1332, 1480, 1665, 1776, 1998, 2160, 2220, 2664, 2960, 3330, 3996, 4440, 4995, 5328, 6660, 7992, 8880, 9990, 13320, 15984, 19980, 26640, 39960, 79920]

約数ペア:

[(1, 79920), (2, 39960), (3, 26640), (4, 19980), (5, 15984), (6, 13320), (8, 9990), (9, 8880), (10, 7992), (12, 6660), (15, 5328), (16, 4995), (18, 4440), (20, 3996), (24, 3330), (27, 2960), (30, 2664), (36, 2220), (37, 2160), (40, 1998), (45, 1776), (48, 1665), (54, 1480), (60, 1332), (72, 1110), (74, 1080), (80, 999), (90, 888), (108, 740), (111, 720), (120, 666), (135, 592), (144, 555), (148, 540), (180, 444), (185, 432), (216, 370), (222, 360), (240, 333), (270, 296)]