15915090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{157}}^1$

素因数の和:307

約数の個数: 64

約数和(自身を含む): 40043520

約数和(自身を除く): 24128430

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 109, 155, 157, 186, 218, 310, 314, 327, 465, 471, 545, 654, 785, 930, 942, 1090, 1570, 1635, 2355, 3270, 3379, 4710, 4867, 6758, 9734, 10137, 14601, 16895, 17113, 20274, 24335, 29202, 33790, 34226, 48670, 50685, 51339, 73005, 85565, 101370, 102678, 146010, 171130, 256695, 513390, 530503, 1061006, 1591509, 2652515, 3183018, 5305030, 7957545, 15915090]

約数ペア:

[(1, 15915090), (2, 7957545), (3, 5305030), (5, 3183018), (6, 2652515), (10, 1591509), (15, 1061006), (30, 530503), (31, 513390), (62, 256695), (93, 171130), (109, 146010), (155, 102678), (157, 101370), (186, 85565), (218, 73005), (310, 51339), (314, 50685), (327, 48670), (465, 34226), (471, 33790), (545, 29202), (654, 24335), (785, 20274), (930, 17113), (942, 16895), (1090, 14601), (1570, 10137), (1635, 9734), (2355, 6758), (3270, 4867), (3379, 4710)]