27845280

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:399

約数の個数: 144

約数和(自身を含む): 96884424

約数和(自身を除く): 69039144

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 61, 72, 80, 90, 96, 120, 122, 144, 160, 180, 183, 240, 244, 288, 305, 317, 360, 366, 480, 488, 549, 610, 634, 720, 732, 915, 951, 976, 1098, 1220, 1268, 1440, 1464, 1585, 1830, 1902, 1952, 2196, 2440, 2536, 2745, 2853, 2928, 3170, 3660, 3804, 4392, 4755, 4880, 5072, 5490, 5706, 5856, 6340, 7320, 7608, 8784, 9510, 9760, 10144, 10980, 11412, 12680, 14265, 14640, 15216, 17568, 19020, 19337, 21960, 22824, 25360, 28530, 29280, 30432, 38040, 38674, 43920, 45648, 50720, 57060, 58011, 76080, 77348, 87840, 91296, 96685, 114120, 116022, 152160, 154696, 174033, 193370, 228240, 232044, 290055, 309392, 348066, 386740, 456480, 464088, 580110, 618784, 696132, 773480, 870165, 928176, 1160220, 1392264, 1546960, 1740330, 1856352, 2320440, 2784528, 3093920, 3480660, 4640880, 5569056, 6961320, 9281760, 13922640, 27845280]

約数ペア:

[(1, 27845280), (2, 13922640), (3, 9281760), (4, 6961320), (5, 5569056), (6, 4640880), (8, 3480660), (9, 3093920), (10, 2784528), (12, 2320440), (15, 1856352), (16, 1740330), (18, 1546960), (20, 1392264), (24, 1160220), (30, 928176), (32, 870165), (36, 773480), (40, 696132), (45, 618784), (48, 580110), (60, 464088), (61, 456480), (72, 386740), (80, 348066), (90, 309392), (96, 290055), (120, 232044), (122, 228240), (144, 193370), (160, 174033), (180, 154696), (183, 152160), (240, 116022), (244, 114120), (288, 96685), (305, 91296), (317, 87840), (360, 77348), (366, 76080), (480, 58011), (488, 57060), (549, 50720), (610, 45648), (634, 43920), (720, 38674), (732, 38040), (915, 30432), (951, 29280), (976, 28530), (1098, 25360), (1220, 22824), (1268, 21960), (1440, 19337), (1464, 19020), (1585, 17568), (1830, 15216), (1902, 14640), (1952, 14265), (2196, 12680), (2440, 11412), (2536, 10980), (2745, 10144), (2853, 9760), (2928, 9510), (3170, 8784), (3660, 7608), (3804, 7320), (4392, 6340), (4755, 5856), (4880, 5706), (5072, 5490)]