79991280

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1277}}^1$

素因数の和:1328

約数の個数: 160

約数和(自身を含む): 285249600

約数和(自身を除く): 205258320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 36, 40, 45, 48, 54, 58, 60, 72, 80, 87, 90, 108, 116, 120, 135, 144, 145, 174, 180, 216, 232, 240, 261, 270, 290, 348, 360, 432, 435, 464, 522, 540, 580, 696, 720, 783, 870, 1044, 1080, 1160, 1277, 1305, 1392, 1566, 1740, 2088, 2160, 2320, 2554, 2610, 3132, 3480, 3831, 3915, 4176, 5108, 5220, 6264, 6385, 6960, 7662, 7830, 10216, 10440, 11493, 12528, 12770, 15324, 15660, 19155, 20432, 20880, 22986, 25540, 30648, 31320, 34479, 37033, 38310, 45972, 51080, 57465, 61296, 62640, 68958, 74066, 76620, 91944, 102160, 111099, 114930, 137916, 148132, 153240, 172395, 183888, 185165, 222198, 229860, 275832, 296264, 306480, 333297, 344790, 370330, 444396, 459720, 551664, 555495, 592528, 666594, 689580, 740660, 888792, 919440, 999891, 1110990, 1333188, 1379160, 1481320, 1666485, 1777584, 1999782, 2221980, 2666376, 2758320, 2962640, 3332970, 3999564, 4443960, 4999455, 5332752, 6665940, 7999128, 8887920, 9998910, 13331880, 15998256, 19997820, 26663760, 39995640, 79991280]

約数ペア:

[(1, 79991280), (2, 39995640), (3, 26663760), (4, 19997820), (5, 15998256), (6, 13331880), (8, 9998910), (9, 8887920), (10, 7999128), (12, 6665940), (15, 5332752), (16, 4999455), (18, 4443960), (20, 3999564), (24, 3332970), (27, 2962640), (29, 2758320), (30, 2666376), (36, 2221980), (40, 1999782), (45, 1777584), (48, 1666485), (54, 1481320), (58, 1379160), (60, 1333188), (72, 1110990), (80, 999891), (87, 919440), (90, 888792), (108, 740660), (116, 689580), (120, 666594), (135, 592528), (144, 555495), (145, 551664), (174, 459720), (180, 444396), (216, 370330), (232, 344790), (240, 333297), (261, 306480), (270, 296264), (290, 275832), (348, 229860), (360, 222198), (432, 185165), (435, 183888), (464, 172395), (522, 153240), (540, 148132), (580, 137916), (696, 114930), (720, 111099), (783, 102160), (870, 91944), (1044, 76620), (1080, 74066), (1160, 68958), (1277, 62640), (1305, 61296), (1392, 57465), (1566, 51080), (1740, 45972), (2088, 38310), (2160, 37033), (2320, 34479), (2554, 31320), (2610, 30648), (3132, 25540), (3480, 22986), (3831, 20880), (3915, 20432), (4176, 19155), (5108, 15660), (5220, 15324), (6264, 12770), (6385, 12528), (6960, 11493), (7662, 10440), (7830, 10216)]