28905120

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{6691}}^1$

素因数の和:6715

約数の個数: 96

約数和(自身を含む): 101183040

約数和(自身を除く): 72277920

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, 90, 96, 108, 120, 135, 144, 160, 180, 216, 240, 270, 288, 360, 432, 480, 540, 720, 864, 1080, 1440, 2160, 4320, 6691, 13382, 20073, 26764, 33455, 40146, 53528, 60219, 66910, 80292, 100365, 107056, 120438, 133820, 160584, 180657, 200730, 214112, 240876, 267640, 301095, 321168, 361314, 401460, 481752, 535280, 602190, 642336, 722628, 802920, 903285, 963504, 1070560, 1204380, 1445256, 1605840, 1806570, 1927008, 2408760, 2890512, 3211680, 3613140, 4817520, 5781024, 7226280, 9635040, 14452560, 28905120]

約数ペア:

[(1, 28905120), (2, 14452560), (3, 9635040), (4, 7226280), (5, 5781024), (6, 4817520), (8, 3613140), (9, 3211680), (10, 2890512), (12, 2408760), (15, 1927008), (16, 1806570), (18, 1605840), (20, 1445256), (24, 1204380), (27, 1070560), (30, 963504), (32, 903285), (36, 802920), (40, 722628), (45, 642336), (48, 602190), (54, 535280), (60, 481752), (72, 401460), (80, 361314), (90, 321168), (96, 301095), (108, 267640), (120, 240876), (135, 214112), (144, 200730), (160, 180657), (180, 160584), (216, 133820), (240, 120438), (270, 107056), (288, 100365), (360, 80292), (432, 66910), (480, 60219), (540, 53528), (720, 40146), (864, 33455), (1080, 26764), (1440, 20073), (2160, 13382), (4320, 6691)]