305640

素因数分解:

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

素因数の和:303

約数の個数: 64

約数和(自身を含む): 1022400

約数和(自身を除く): 716760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 283, 360, 540, 566, 849, 1080, 1132, 1415, 1698, 2264, 2547, 2830, 3396, 4245, 5094, 5660, 6792, 7641, 8490, 10188, 11320, 12735, 15282, 16980, 20376, 25470, 30564, 33960, 38205, 50940, 61128, 76410, 101880, 152820, 305640]

約数ペア:

[(1, 305640), (2, 152820), (3, 101880), (4, 76410), (5, 61128), (6, 50940), (8, 38205), (9, 33960), (10, 30564), (12, 25470), (15, 20376), (18, 16980), (20, 15282), (24, 12735), (27, 11320), (30, 10188), (36, 8490), (40, 7641), (45, 6792), (54, 5660), (60, 5094), (72, 4245), (90, 3396), (108, 2830), (120, 2547), (135, 2264), (180, 1698), (216, 1415), (270, 1132), (283, 1080), (360, 849), (540, 566)]