15533820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{409}}^1$

素因数の和:635

約数の個数: 72

約数和(自身を含む): 47458320

約数和(自身を除く): 31924500

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 409, 422, 633, 818, 844, 1055, 1227, 1266, 1636, 1899, 2045, 2110, 2454, 2532, 3165, 3681, 3798, 4090, 4220, 4908, 6135, 6330, 7362, 7596, 8180, 9495, 12270, 12660, 14724, 18405, 18990, 24540, 36810, 37980, 73620, 86299, 172598, 258897, 345196, 431495, 517794, 776691, 862990, 1035588, 1294485, 1553382, 1725980, 2588970, 3106764, 3883455, 5177940, 7766910, 15533820]

約数ペア:

[(1, 15533820), (2, 7766910), (3, 5177940), (4, 3883455), (5, 3106764), (6, 2588970), (9, 1725980), (10, 1553382), (12, 1294485), (15, 1035588), (18, 862990), (20, 776691), (30, 517794), (36, 431495), (45, 345196), (60, 258897), (90, 172598), (180, 86299), (211, 73620), (409, 37980), (422, 36810), (633, 24540), (818, 18990), (844, 18405), (1055, 14724), (1227, 12660), (1266, 12270), (1636, 9495), (1899, 8180), (2045, 7596), (2110, 7362), (2454, 6330), (2532, 6135), (3165, 4908), (3681, 4220), (3798, 4090)]