15663132780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{643}}^1\times {\mathrm{405991}}^1$

素因数の和:406646

約数の個数: 48

約数和(自身を含む): 43925086464

約数和(自身を除く): 28261953684

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 643, 1286, 1929, 2572, 3215, 3858, 6430, 7716, 9645, 12860, 19290, 38580, 405991, 811982, 1217973, 1623964, 2029955, 2435946, 4059910, 4871892, 6089865, 8119820, 12179730, 24359460, 261052213, 522104426, 783156639, 1044208852, 1305261065, 1566313278, 2610522130, 3132626556, 3915783195, 5221044260, 7831566390, 15663132780]

約数ペア:

[(1, 15663132780), (2, 7831566390), (3, 5221044260), (4, 3915783195), (5, 3132626556), (6, 2610522130), (10, 1566313278), (12, 1305261065), (15, 1044208852), (20, 783156639), (30, 522104426), (60, 261052213), (643, 24359460), (1286, 12179730), (1929, 8119820), (2572, 6089865), (3215, 4871892), (3858, 4059910), (6430, 2435946), (7716, 2029955), (9645, 1623964), (12860, 1217973), (19290, 811982), (38580, 405991)]