131054580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2833}}^1$

素因数の和:3105

約数の個数: 72

約数和(自身を含む): 399219912

約数和(自身を除く): 268165332

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 257, 514, 771, 1028, 1285, 1542, 2313, 2570, 2833, 3084, 3855, 4626, 5140, 5666, 7710, 8499, 9252, 11332, 11565, 14165, 15420, 16998, 23130, 25497, 28330, 33996, 42495, 46260, 50994, 56660, 84990, 101988, 127485, 169980, 254970, 509940, 728081, 1456162, 2184243, 2912324, 3640405, 4368486, 6552729, 7280810, 8736972, 10921215, 13105458, 14561620, 21842430, 26210916, 32763645, 43684860, 65527290, 131054580]

約数ペア:

[(1, 131054580), (2, 65527290), (3, 43684860), (4, 32763645), (5, 26210916), (6, 21842430), (9, 14561620), (10, 13105458), (12, 10921215), (15, 8736972), (18, 7280810), (20, 6552729), (30, 4368486), (36, 3640405), (45, 2912324), (60, 2184243), (90, 1456162), (180, 728081), (257, 509940), (514, 254970), (771, 169980), (1028, 127485), (1285, 101988), (1542, 84990), (2313, 56660), (2570, 50994), (2833, 46260), (3084, 42495), (3855, 33996), (4626, 28330), (5140, 25497), (5666, 23130), (7710, 16998), (8499, 15420), (9252, 14165), (11332, 11565)]