80606720

素因数分解:

$2^9\times 5^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2$

素因数の和:120

約数の個数: 120

約数和(自身を含む): 207267984

約数和(自身を除く): 126661264

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 37, 40, 46, 64, 74, 80, 92, 115, 128, 148, 160, 184, 185, 230, 256, 296, 320, 368, 370, 460, 512, 592, 640, 736, 740, 851, 920, 1184, 1280, 1369, 1472, 1480, 1702, 1840, 2368, 2560, 2738, 2944, 2960, 3404, 3680, 4255, 4736, 5476, 5888, 5920, 6808, 6845, 7360, 8510, 9472, 10952, 11776, 11840, 13616, 13690, 14720, 17020, 18944, 21904, 23680, 27232, 27380, 29440, 31487, 34040, 43808, 47360, 54464, 54760, 58880, 62974, 68080, 87616, 94720, 108928, 109520, 125948, 136160, 157435, 175232, 217856, 219040, 251896, 272320, 314870, 350464, 435712, 438080, 503792, 544640, 629740, 700928, 876160, 1007584, 1089280, 1259480, 1752320, 2015168, 2178560, 2518960, 3504640, 4030336, 5037920, 8060672, 10075840, 16121344, 20151680, 40303360, 80606720]

約数ペア:

[(1, 80606720), (2, 40303360), (4, 20151680), (5, 16121344), (8, 10075840), (10, 8060672), (16, 5037920), (20, 4030336), (23, 3504640), (32, 2518960), (37, 2178560), (40, 2015168), (46, 1752320), (64, 1259480), (74, 1089280), (80, 1007584), (92, 876160), (115, 700928), (128, 629740), (148, 544640), (160, 503792), (184, 438080), (185, 435712), (230, 350464), (256, 314870), (296, 272320), (320, 251896), (368, 219040), (370, 217856), (460, 175232), (512, 157435), (592, 136160), (640, 125948), (736, 109520), (740, 108928), (851, 94720), (920, 87616), (1184, 68080), (1280, 62974), (1369, 58880), (1472, 54760), (1480, 54464), (1702, 47360), (1840, 43808), (2368, 34040), (2560, 31487), (2738, 29440), (2944, 27380), (2960, 27232), (3404, 23680), (3680, 21904), (4255, 18944), (4736, 17020), (5476, 14720), (5888, 13690), (5920, 13616), (6808, 11840), (6845, 11776), (7360, 10952), (8510, 9472)]