7991900640

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{205553}}^1$

素因数の和:205583

約数の個数: 144

約数和(自身を含む): 28282585968

約数和(自身を除く): 20290685328

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 216, 240, 243, 270, 288, 324, 360, 405, 432, 480, 486, 540, 648, 720, 810, 864, 972, 1080, 1215, 1296, 1440, 1620, 1944, 2160, 2430, 2592, 3240, 3888, 4320, 4860, 6480, 7776, 9720, 12960, 19440, 38880, 205553, 411106, 616659, 822212, 1027765, 1233318, 1644424, 1849977, 2055530, 2466636, 3083295, 3288848, 3699954, 4111060, 4933272, 5549931, 6166590, 6577696, 7399908, 8222120, 9249885, 9866544, 11099862, 12333180, 14799816, 16444240, 16649793, 18499770, 19733088, 22199724, 24666360, 27749655, 29599632, 32888480, 33299586, 36999540, 44399448, 49332720, 49949379, 55499310, 59199264, 66599172, 73999080, 83248965, 88798896, 98665440, 99898758, 110998620, 133198344, 147998160, 166497930, 177597792, 199797516, 221997240, 249746895, 266396688, 295996320, 332995860, 399595032, 443994480, 499493790, 532793376, 665991720, 799190064, 887988960, 998987580, 1331983440, 1598380128, 1997975160, 2663966880, 3995950320, 7991900640]

約数ペア:

[(1, 7991900640), (2, 3995950320), (3, 2663966880), (4, 1997975160), (5, 1598380128), (6, 1331983440), (8, 998987580), (9, 887988960), (10, 799190064), (12, 665991720), (15, 532793376), (16, 499493790), (18, 443994480), (20, 399595032), (24, 332995860), (27, 295996320), (30, 266396688), (32, 249746895), (36, 221997240), (40, 199797516), (45, 177597792), (48, 166497930), (54, 147998160), (60, 133198344), (72, 110998620), (80, 99898758), (81, 98665440), (90, 88798896), (96, 83248965), (108, 73999080), (120, 66599172), (135, 59199264), (144, 55499310), (160, 49949379), (162, 49332720), (180, 44399448), (216, 36999540), (240, 33299586), (243, 32888480), (270, 29599632), (288, 27749655), (324, 24666360), (360, 22199724), (405, 19733088), (432, 18499770), (480, 16649793), (486, 16444240), (540, 14799816), (648, 12333180), (720, 11099862), (810, 9866544), (864, 9249885), (972, 8222120), (1080, 7399908), (1215, 6577696), (1296, 6166590), (1440, 5549931), (1620, 4933272), (1944, 4111060), (2160, 3699954), (2430, 3288848), (2592, 3083295), (3240, 2466636), (3888, 2055530), (4320, 1849977), (4860, 1644424), (6480, 1233318), (7776, 1027765), (9720, 822212), (12960, 616659), (19440, 411106), (38880, 205553)]