15768780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{977}}^1$

素因数の和:1258

約数の個数: 48

約数和(自身を含む): 44362080

約数和(自身を除く): 28593300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 269, 538, 807, 977, 1076, 1345, 1614, 1954, 2690, 2931, 3228, 3908, 4035, 4885, 5380, 5862, 8070, 9770, 11724, 14655, 16140, 19540, 29310, 58620, 262813, 525626, 788439, 1051252, 1314065, 1576878, 2628130, 3153756, 3942195, 5256260, 7884390, 15768780]

約数ペア:

[(1, 15768780), (2, 7884390), (3, 5256260), (4, 3942195), (5, 3153756), (6, 2628130), (10, 1576878), (12, 1314065), (15, 1051252), (20, 788439), (30, 525626), (60, 262813), (269, 58620), (538, 29310), (807, 19540), (977, 16140), (1076, 14655), (1345, 11724), (1614, 9770), (1954, 8070), (2690, 5862), (2931, 5380), (3228, 4885), (3908, 4035)]