31540320

素因数分解:

$2^5\times 3^3\times 5^1\times 7^2\times {\mathrm{149}}^1$

素因数の和:187

約数の個数: 288

約数和(自身を含む): 129276000

約数和(自身を除く): 97735680

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 49, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 108, 112, 120, 126, 135, 140, 144, 147, 149, 160, 168, 180, 189, 196, 210, 216, 224, 240, 245, 252, 270, 280, 288, 294, 298, 315, 336, 360, 378, 392, 420, 432, 441, 447, 480, 490, 504, 540, 560, 588, 596, 630, 672, 720, 735, 745, 756, 784, 840, 864, 882, 894, 945, 980, 1008, 1043, 1080, 1120, 1176, 1192, 1260, 1323, 1341, 1440, 1470, 1490, 1512, 1568, 1680, 1764, 1788, 1890, 1960, 2016, 2086, 2160, 2205, 2235, 2352, 2384, 2520, 2646, 2682, 2940, 2980, 3024, 3129, 3360, 3528, 3576, 3780, 3920, 4023, 4172, 4320, 4410, 4470, 4704, 4768, 5040, 5215, 5292, 5364, 5880, 5960, 6048, 6258, 6615, 6705, 7056, 7152, 7301, 7560, 7840, 8046, 8344, 8820, 8940, 9387, 10080, 10430, 10584, 10728, 11760, 11920, 12516, 13230, 13410, 14112, 14304, 14602, 15120, 15645, 16092, 16688, 17640, 17880, 18774, 20115, 20860, 21168, 21456, 21903, 23520, 23840, 25032, 26460, 26820, 28161, 29204, 30240, 31290, 32184, 33376, 35280, 35760, 36505, 37548, 40230, 41720, 42336, 42912, 43806, 46935, 50064, 52920, 53640, 56322, 58408, 62580, 64368, 65709, 70560, 71520, 73010, 75096, 80460, 83440, 87612, 93870, 100128, 105840, 107280, 109515, 112644, 116816, 125160, 128736, 131418, 140805, 146020, 150192, 160920, 166880, 175224, 187740, 197127, 211680, 214560, 219030, 225288, 233632, 250320, 262836, 281610, 292040, 300384, 321840, 328545, 350448, 375480, 394254, 438060, 450576, 500640, 525672, 563220, 584080, 643680, 657090, 700896, 750960, 788508, 876120, 901152, 985635, 1051344, 1126440, 1168160, 1314180, 1501920, 1577016, 1752240, 1971270, 2102688, 2252880, 2628360, 3154032, 3504480, 3942540, 4505760, 5256720, 6308064, 7885080, 10513440, 15770160, 31540320]

約数ペア:

[(1, 31540320), (2, 15770160), (3, 10513440), (4, 7885080), (5, 6308064), (6, 5256720), (7, 4505760), (8, 3942540), (9, 3504480), (10, 3154032), (12, 2628360), (14, 2252880), (15, 2102688), (16, 1971270), (18, 1752240), (20, 1577016), (21, 1501920), (24, 1314180), (27, 1168160), (28, 1126440), (30, 1051344), (32, 985635), (35, 901152), (36, 876120), (40, 788508), (42, 750960), (45, 700896), (48, 657090), (49, 643680), (54, 584080), (56, 563220), (60, 525672), (63, 500640), (70, 450576), (72, 438060), (80, 394254), (84, 375480), (90, 350448), (96, 328545), (98, 321840), (105, 300384), (108, 292040), (112, 281610), (120, 262836), (126, 250320), (135, 233632), (140, 225288), (144, 219030), (147, 214560), (149, 211680), (160, 197127), (168, 187740), (180, 175224), (189, 166880), (196, 160920), (210, 150192), (216, 146020), (224, 140805), (240, 131418), (245, 128736), (252, 125160), (270, 116816), (280, 112644), (288, 109515), (294, 107280), (298, 105840), (315, 100128), (336, 93870), (360, 87612), (378, 83440), (392, 80460), (420, 75096), (432, 73010), (441, 71520), (447, 70560), (480, 65709), (490, 64368), (504, 62580), (540, 58408), (560, 56322), (588, 53640), (596, 52920), (630, 50064), (672, 46935), (720, 43806), (735, 42912), (745, 42336), (756, 41720), (784, 40230), (840, 37548), (864, 36505), (882, 35760), (894, 35280), (945, 33376), (980, 32184), (1008, 31290), (1043, 30240), (1080, 29204), (1120, 28161), (1176, 26820), (1192, 26460), (1260, 25032), (1323, 23840), (1341, 23520), (1440, 21903), (1470, 21456), (1490, 21168), (1512, 20860), (1568, 20115), (1680, 18774), (1764, 17880), (1788, 17640), (1890, 16688), (1960, 16092), (2016, 15645), (2086, 15120), (2160, 14602), (2205, 14304), (2235, 14112), (2352, 13410), (2384, 13230), (2520, 12516), (2646, 11920), (2682, 11760), (2940, 10728), (2980, 10584), (3024, 10430), (3129, 10080), (3360, 9387), (3528, 8940), (3576, 8820), (3780, 8344), (3920, 8046), (4023, 7840), (4172, 7560), (4320, 7301), (4410, 7152), (4470, 7056), (4704, 6705), (4768, 6615), (5040, 6258), (5215, 6048), (5292, 5960), (5364, 5880)]