30387280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{4933}}^1$

素因数の和:4964

約数の個数: 80

約数和(自身を含む): 88101504

約数和(自身を除く): 57714224

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 110, 112, 140, 154, 176, 220, 280, 308, 385, 440, 560, 616, 770, 880, 1232, 1540, 3080, 4933, 6160, 9866, 19732, 24665, 34531, 39464, 49330, 54263, 69062, 78928, 98660, 108526, 138124, 172655, 197320, 217052, 271315, 276248, 345310, 379841, 394640, 434104, 542630, 552496, 690620, 759682, 868208, 1085260, 1381240, 1519364, 1899205, 2170520, 2762480, 3038728, 3798410, 4341040, 6077456, 7596820, 15193640, 30387280]

約数ペア:

[(1, 30387280), (2, 15193640), (4, 7596820), (5, 6077456), (7, 4341040), (8, 3798410), (10, 3038728), (11, 2762480), (14, 2170520), (16, 1899205), (20, 1519364), (22, 1381240), (28, 1085260), (35, 868208), (40, 759682), (44, 690620), (55, 552496), (56, 542630), (70, 434104), (77, 394640), (80, 379841), (88, 345310), (110, 276248), (112, 271315), (140, 217052), (154, 197320), (176, 172655), (220, 138124), (280, 108526), (308, 98660), (385, 78928), (440, 69062), (560, 54263), (616, 49330), (770, 39464), (880, 34531), (1232, 24665), (1540, 19732), (3080, 9866), (4933, 6160)]