15486820

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{257}}^1$

素因数の和:420

約数の個数: 48

約数和(自身を含む): 34328448

約数和(自身を除く): 18841628

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 131, 230, 257, 262, 460, 514, 524, 655, 1028, 1285, 1310, 2570, 2620, 3013, 5140, 5911, 6026, 11822, 12052, 15065, 23644, 29555, 30130, 33667, 59110, 60260, 67334, 118220, 134668, 168335, 336670, 673340, 774341, 1548682, 3097364, 3871705, 7743410, 15486820]

約数ペア:

[(1, 15486820), (2, 7743410), (4, 3871705), (5, 3097364), (10, 1548682), (20, 774341), (23, 673340), (46, 336670), (92, 168335), (115, 134668), (131, 118220), (230, 67334), (257, 60260), (262, 59110), (460, 33667), (514, 30130), (524, 29555), (655, 23644), (1028, 15065), (1285, 12052), (1310, 11822), (2570, 6026), (2620, 5911), (3013, 5140)]