30259880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{1613}}^1$

素因数の和:1698

約数の個数: 64

約数和(自身を含む): 79021440

約数和(自身を除く): 48761560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 67, 70, 134, 140, 268, 280, 335, 469, 536, 670, 938, 1340, 1613, 1876, 2345, 2680, 3226, 3752, 4690, 6452, 8065, 9380, 11291, 12904, 16130, 18760, 22582, 32260, 45164, 56455, 64520, 90328, 108071, 112910, 216142, 225820, 432284, 451640, 540355, 756497, 864568, 1080710, 1512994, 2161420, 3025988, 3782485, 4322840, 6051976, 7564970, 15129940, 30259880]

約数ペア:

[(1, 30259880), (2, 15129940), (4, 7564970), (5, 6051976), (7, 4322840), (8, 3782485), (10, 3025988), (14, 2161420), (20, 1512994), (28, 1080710), (35, 864568), (40, 756497), (56, 540355), (67, 451640), (70, 432284), (134, 225820), (140, 216142), (268, 112910), (280, 108071), (335, 90328), (469, 64520), (536, 56455), (670, 45164), (938, 32260), (1340, 22582), (1613, 18760), (1876, 16130), (2345, 12904), (2680, 11291), (3226, 9380), (3752, 8065), (4690, 6452)]