30515920

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{2131}}^1$

素因数の和:2323

約数の個数: 40

約数和(自身を含む): 71379360

約数和(自身を除く): 40863440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 358, 716, 895, 1432, 1790, 2131, 2864, 3580, 4262, 7160, 8524, 10655, 14320, 17048, 21310, 34096, 42620, 85240, 170480, 381449, 762898, 1525796, 1907245, 3051592, 3814490, 6103184, 7628980, 15257960, 30515920]

約数ペア:

[(1, 30515920), (2, 15257960), (4, 7628980), (5, 6103184), (8, 3814490), (10, 3051592), (16, 1907245), (20, 1525796), (40, 762898), (80, 381449), (179, 170480), (358, 85240), (716, 42620), (895, 34096), (1432, 21310), (1790, 17048), (2131, 14320), (2864, 10655), (3580, 8524), (4262, 7160)]