208570920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{6763}}^1$

素因数の和:7034

約数の個数: 64

約数和(自身を含む): 628240320

約数和(自身を除く): 419669400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 257, 514, 771, 1028, 1285, 1542, 2056, 2570, 3084, 3855, 5140, 6168, 6763, 7710, 10280, 13526, 15420, 20289, 27052, 30840, 33815, 40578, 54104, 67630, 81156, 101445, 135260, 162312, 202890, 270520, 405780, 811560, 1738091, 3476182, 5214273, 6952364, 8690455, 10428546, 13904728, 17380910, 20857092, 26071365, 34761820, 41714184, 52142730, 69523640, 104285460, 208570920]

約数ペア:

[(1, 208570920), (2, 104285460), (3, 69523640), (4, 52142730), (5, 41714184), (6, 34761820), (8, 26071365), (10, 20857092), (12, 17380910), (15, 13904728), (20, 10428546), (24, 8690455), (30, 6952364), (40, 5214273), (60, 3476182), (120, 1738091), (257, 811560), (514, 405780), (771, 270520), (1028, 202890), (1285, 162312), (1542, 135260), (2056, 101445), (2570, 81156), (3084, 67630), (3855, 54104), (5140, 40578), (6168, 33815), (6763, 30840), (7710, 27052), (10280, 20289), (13526, 15420)]