18298920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{1399}}^1$

素因数の和:1522

約数の個数: 64

約数和(自身を含む): 55440000

約数和(自身を除く): 37141080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 109, 120, 218, 327, 436, 545, 654, 872, 1090, 1308, 1399, 1635, 2180, 2616, 2798, 3270, 4197, 4360, 5596, 6540, 6995, 8394, 11192, 13080, 13990, 16788, 20985, 27980, 33576, 41970, 55960, 83940, 152491, 167880, 304982, 457473, 609964, 762455, 914946, 1219928, 1524910, 1829892, 2287365, 3049820, 3659784, 4574730, 6099640, 9149460, 18298920]

約数ペア:

[(1, 18298920), (2, 9149460), (3, 6099640), (4, 4574730), (5, 3659784), (6, 3049820), (8, 2287365), (10, 1829892), (12, 1524910), (15, 1219928), (20, 914946), (24, 762455), (30, 609964), (40, 457473), (60, 304982), (109, 167880), (120, 152491), (218, 83940), (327, 55960), (436, 41970), (545, 33576), (654, 27980), (872, 20985), (1090, 16788), (1308, 13990), (1399, 13080), (1635, 11192), (2180, 8394), (2616, 6995), (2798, 6540), (3270, 5596), (4197, 4360)]