311389920

素因数分解:

$2^5\times 3^5\times 5^1\times {\mathrm{8009}}^1$

素因数の和:8039

約数の個数: 144

約数和(自身を含む): 1102111920

約数和(自身を除く): 790722000

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, 8009, 9720, 12960, 16018, 19440, 24027, 32036, 38880, 40045, 48054, 64072, 72081, 80090, 96108, 120135, 128144, 144162, 160180, 192216, 216243, 240270, 256288, 288324, 320360, 360405, 384432, 432486, 480540, 576648, 640720, 648729, 720810, 768864, 864972, 961080, 1081215, 1153296, 1281440, 1297458, 1441620, 1729944, 1922160, 1946187, 2162430, 2306592, 2594916, 2883240, 3243645, 3459888, 3844320, 3892374, 4324860, 5189832, 5766480, 6487290, 6919776, 7784748, 8649720, 9730935, 10379664, 11532960, 12974580, 15569496, 17299440, 19461870, 20759328, 25949160, 31138992, 34598880, 38923740, 51898320, 62277984, 77847480, 103796640, 155694960, 311389920]

約数ペア:

[(1, 311389920), (2, 155694960), (3, 103796640), (4, 77847480), (5, 62277984), (6, 51898320), (8, 38923740), (9, 34598880), (10, 31138992), (12, 25949160), (15, 20759328), (16, 19461870), (18, 17299440), (20, 15569496), (24, 12974580), (27, 11532960), (30, 10379664), (32, 9730935), (36, 8649720), (40, 7784748), (45, 6919776), (48, 6487290), (54, 5766480), (60, 5189832), (72, 4324860), (80, 3892374), (81, 3844320), (90, 3459888), (96, 3243645), (108, 2883240), (120, 2594916), (135, 2306592), (144, 2162430), (160, 1946187), (162, 1922160), (180, 1729944), (216, 1441620), (240, 1297458), (243, 1281440), (270, 1153296), (288, 1081215), (324, 961080), (360, 864972), (405, 768864), (432, 720810), (480, 648729), (486, 640720), (540, 576648), (648, 480540), (720, 432486), (810, 384432), (864, 360405), (972, 320360), (1080, 288324), (1215, 256288), (1296, 240270), (1440, 216243), (1620, 192216), (1944, 160180), (2160, 144162), (2430, 128144), (2592, 120135), (3240, 96108), (3888, 80090), (4320, 72081), (4860, 64072), (6480, 48054), (7776, 40045), (8009, 38880), (9720, 32036), (12960, 24027), (16018, 19440)]