30725220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11909}}^1$

素因数の和:11964

約数の個数: 48

約数和(自身を含む): 88038720

約数和(自身を除く): 57313500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 215, 258, 430, 516, 645, 860, 1290, 2580, 11909, 23818, 35727, 47636, 59545, 71454, 119090, 142908, 178635, 238180, 357270, 512087, 714540, 1024174, 1536261, 2048348, 2560435, 3072522, 5120870, 6145044, 7681305, 10241740, 15362610, 30725220]

約数ペア:

[(1, 30725220), (2, 15362610), (3, 10241740), (4, 7681305), (5, 6145044), (6, 5120870), (10, 3072522), (12, 2560435), (15, 2048348), (20, 1536261), (30, 1024174), (43, 714540), (60, 512087), (86, 357270), (129, 238180), (172, 178635), (215, 142908), (258, 119090), (430, 71454), (516, 59545), (645, 47636), (860, 35727), (1290, 23818), (2580, 11909)]