31145760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{503}}^1$

素因数の和:567

約数の個数: 144

約数和(自身を含む): 108972864

約数和(自身を除く): 77827104

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 43, 45, 48, 60, 72, 80, 86, 90, 96, 120, 129, 144, 160, 172, 180, 215, 240, 258, 288, 344, 360, 387, 430, 480, 503, 516, 645, 688, 720, 774, 860, 1006, 1032, 1290, 1376, 1440, 1509, 1548, 1720, 1935, 2012, 2064, 2515, 2580, 3018, 3096, 3440, 3870, 4024, 4128, 4527, 5030, 5160, 6036, 6192, 6880, 7545, 7740, 8048, 9054, 10060, 10320, 12072, 12384, 15090, 15480, 16096, 18108, 20120, 20640, 21629, 22635, 24144, 30180, 30960, 36216, 40240, 43258, 45270, 48288, 60360, 61920, 64887, 72432, 80480, 86516, 90540, 108145, 120720, 129774, 144864, 173032, 181080, 194661, 216290, 241440, 259548, 324435, 346064, 362160, 389322, 432580, 519096, 648870, 692128, 724320, 778644, 865160, 973305, 1038192, 1297740, 1557288, 1730320, 1946610, 2076384, 2595480, 3114576, 3460640, 3893220, 5190960, 6229152, 7786440, 10381920, 15572880, 31145760]

約数ペア:

[(1, 31145760), (2, 15572880), (3, 10381920), (4, 7786440), (5, 6229152), (6, 5190960), (8, 3893220), (9, 3460640), (10, 3114576), (12, 2595480), (15, 2076384), (16, 1946610), (18, 1730320), (20, 1557288), (24, 1297740), (30, 1038192), (32, 973305), (36, 865160), (40, 778644), (43, 724320), (45, 692128), (48, 648870), (60, 519096), (72, 432580), (80, 389322), (86, 362160), (90, 346064), (96, 324435), (120, 259548), (129, 241440), (144, 216290), (160, 194661), (172, 181080), (180, 173032), (215, 144864), (240, 129774), (258, 120720), (288, 108145), (344, 90540), (360, 86516), (387, 80480), (430, 72432), (480, 64887), (503, 61920), (516, 60360), (645, 48288), (688, 45270), (720, 43258), (774, 40240), (860, 36216), (1006, 30960), (1032, 30180), (1290, 24144), (1376, 22635), (1440, 21629), (1509, 20640), (1548, 20120), (1720, 18108), (1935, 16096), (2012, 15480), (2064, 15090), (2515, 12384), (2580, 12072), (3018, 10320), (3096, 10060), (3440, 9054), (3870, 8048), (4024, 7740), (4128, 7545), (4527, 6880), (5030, 6192), (5160, 6036)]