287807130

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{245989}}^1$

素因数の和:246015

約数の個数: 48

約数和(自身を含む): 805863240

約数和(自身を除く): 518056110

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 65, 78, 90, 117, 130, 195, 234, 390, 585, 1170, 245989, 491978, 737967, 1229945, 1475934, 2213901, 2459890, 3197857, 3689835, 4427802, 6395714, 7379670, 9593571, 11069505, 15989285, 19187142, 22139010, 28780713, 31978570, 47967855, 57561426, 95935710, 143903565, 287807130]

約数ペア:

[(1, 287807130), (2, 143903565), (3, 95935710), (5, 57561426), (6, 47967855), (9, 31978570), (10, 28780713), (13, 22139010), (15, 19187142), (18, 15989285), (26, 11069505), (30, 9593571), (39, 7379670), (45, 6395714), (65, 4427802), (78, 3689835), (90, 3197857), (117, 2459890), (130, 2213901), (195, 1475934), (234, 1229945), (390, 737967), (585, 491978), (1170, 245989)]