55575540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1091}}^1$

素因数の和:1389

約数の個数: 72

約数和(自身を含む): 169329888

約数和(自身を除く): 113754348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 283, 566, 849, 1091, 1132, 1415, 1698, 2182, 2547, 2830, 3273, 3396, 4245, 4364, 5094, 5455, 5660, 6546, 8490, 9819, 10188, 10910, 12735, 13092, 16365, 16980, 19638, 21820, 25470, 32730, 39276, 49095, 50940, 65460, 98190, 196380, 308753, 617506, 926259, 1235012, 1543765, 1852518, 2778777, 3087530, 3705036, 4631295, 5557554, 6175060, 9262590, 11115108, 13893885, 18525180, 27787770, 55575540]

約数ペア:

[(1, 55575540), (2, 27787770), (3, 18525180), (4, 13893885), (5, 11115108), (6, 9262590), (9, 6175060), (10, 5557554), (12, 4631295), (15, 3705036), (18, 3087530), (20, 2778777), (30, 1852518), (36, 1543765), (45, 1235012), (60, 926259), (90, 617506), (180, 308753), (283, 196380), (566, 98190), (849, 65460), (1091, 50940), (1132, 49095), (1415, 39276), (1698, 32730), (2182, 25470), (2547, 21820), (2830, 19638), (3273, 16980), (3396, 16365), (4245, 13092), (4364, 12735), (5094, 10910), (5455, 10188), (5660, 9819), (6546, 8490)]