12690660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{257}}^1\times {\mathrm{823}}^1$

素因数の和:1092

約数の個数: 48

約数和(自身を含む): 35715456

約数和(自身を除く): 23024796

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 257, 514, 771, 823, 1028, 1285, 1542, 1646, 2469, 2570, 3084, 3292, 3855, 4115, 4938, 5140, 7710, 8230, 9876, 12345, 15420, 16460, 24690, 49380, 211511, 423022, 634533, 846044, 1057555, 1269066, 2115110, 2538132, 3172665, 4230220, 6345330, 12690660]

約数ペア:

[(1, 12690660), (2, 6345330), (3, 4230220), (4, 3172665), (5, 2538132), (6, 2115110), (10, 1269066), (12, 1057555), (15, 846044), (20, 634533), (30, 423022), (60, 211511), (257, 49380), (514, 24690), (771, 16460), (823, 15420), (1028, 12345), (1285, 9876), (1542, 8230), (1646, 7710), (2469, 5140), (2570, 4938), (3084, 4115), (3292, 3855)]