28537920

素因数分解:

$2^6\times 3^5\times 5^1\times {\mathrm{367}}^1$

素因数の和:399

約数の個数: 168

約数和(自身を含む): 102071424

約数和(自身を除く): 73533504

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, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 216, 240, 243, 270, 288, 320, 324, 360, 367, 405, 432, 480, 486, 540, 576, 648, 720, 734, 810, 864, 960, 972, 1080, 1101, 1215, 1296, 1440, 1468, 1620, 1728, 1835, 1944, 2160, 2202, 2430, 2592, 2880, 2936, 3240, 3303, 3670, 3888, 4320, 4404, 4860, 5184, 5505, 5872, 6480, 6606, 7340, 7776, 8640, 8808, 9720, 9909, 11010, 11744, 12960, 13212, 14680, 15552, 16515, 17616, 19440, 19818, 22020, 23488, 25920, 26424, 29360, 29727, 33030, 35232, 38880, 39636, 44040, 49545, 52848, 58720, 59454, 66060, 70464, 77760, 79272, 88080, 89181, 99090, 105696, 117440, 118908, 132120, 148635, 158544, 176160, 178362, 198180, 211392, 237816, 264240, 297270, 317088, 352320, 356724, 396360, 445905, 475632, 528480, 594540, 634176, 713448, 792720, 891810, 951264, 1056960, 1189080, 1426896, 1585440, 1783620, 1902528, 2378160, 2853792, 3170880, 3567240, 4756320, 5707584, 7134480, 9512640, 14268960, 28537920]

約数ペア:

[(1, 28537920), (2, 14268960), (3, 9512640), (4, 7134480), (5, 5707584), (6, 4756320), (8, 3567240), (9, 3170880), (10, 2853792), (12, 2378160), (15, 1902528), (16, 1783620), (18, 1585440), (20, 1426896), (24, 1189080), (27, 1056960), (30, 951264), (32, 891810), (36, 792720), (40, 713448), (45, 634176), (48, 594540), (54, 528480), (60, 475632), (64, 445905), (72, 396360), (80, 356724), (81, 352320), (90, 317088), (96, 297270), (108, 264240), (120, 237816), (135, 211392), (144, 198180), (160, 178362), (162, 176160), (180, 158544), (192, 148635), (216, 132120), (240, 118908), (243, 117440), (270, 105696), (288, 99090), (320, 89181), (324, 88080), (360, 79272), (367, 77760), (405, 70464), (432, 66060), (480, 59454), (486, 58720), (540, 52848), (576, 49545), (648, 44040), (720, 39636), (734, 38880), (810, 35232), (864, 33030), (960, 29727), (972, 29360), (1080, 26424), (1101, 25920), (1215, 23488), (1296, 22020), (1440, 19818), (1468, 19440), (1620, 17616), (1728, 16515), (1835, 15552), (1944, 14680), (2160, 13212), (2202, 12960), (2430, 11744), (2592, 11010), (2880, 9909), (2936, 9720), (3240, 8808), (3303, 8640), (3670, 7776), (3888, 7340), (4320, 6606), (4404, 6480), (4860, 5872), (5184, 5505)]